CN105125208A - Electrocardiogram drawing method and electrocardiogram drawing tool - Google Patents
Electrocardiogram drawing method and electrocardiogram drawing tool Download PDFInfo
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- CN105125208A CN105125208A CN201510671783.0A CN201510671783A CN105125208A CN 105125208 A CN105125208 A CN 105125208A CN 201510671783 A CN201510671783 A CN 201510671783A CN 105125208 A CN105125208 A CN 105125208A
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Abstract
The invention discloses an electrocardiogram drawing method and an electrocardiogram drawing tool. The method comprises the following steps: determining the horizontal length of an electrocardiogram drawing, and determining the longitudinal width of the electrocardiogram drawing; drawing an electrocardiogram context lattice on the electrocardiogram drawing of which the horizontal length and the longitudinal width are determined; drawing a longitudinal parting line and a horizontal parting line between adjacent leads on the electrocardiogram context lattice; drawing standard voltage icons at preset positions on the electrocardiogram context lattice; determining the starting position of each lead wave line; based on the starting positions, determining the horizontal position and longitudinal position of each sampling point in each lead wave line; and according to the horizontal position and longitudinal position of each sampling point in each lead wave line, drawing each lead wave line in each area formed by the longitudinal parting line and the horizontal parting line.
Description
Technical field
The present invention relates to field of medical technology, particularly relate to a kind of electrocardiogram method for drafting and electrocardiogram drawing tool.
Background technology
Heart is a three-dimensional structure, in order to react the electrical activity of heart not coplanar, at human body different parts electrodes, to record and to react the electrical activity of heart, electrocardiogram is exactly the technology of the electrical activity change figure utilizing electrocardiograph to produce from each cardiac cycle of body surface record heart.Electrocardio drawing instrument is reference according to the Israel 12 electrocardio equipment that leads, and sums up according to Electrocardiographic analysis and project experiences, sums up 12 and to lead electrocardio drawing algorithm.When routine electrocardiogram of being expert at checks, usually only lay 4 limb lead electrodes and V
1~ V
66 Precardial lead electrodes, record conventional 12 lead electrocardiogram.
In the prior art, the electrocardiogram technique of painting is not accurate enough, the complexity that the code of algorithm and picture is all suitable, and needs when pinpointing the problems to carry out overall situation amendment to whole picture code at every turn, this causes easily going wrong in modification process, thus needs the larger manpower and materials of cost to modify.
Summary of the invention
In view of this, the main purpose of the embodiment of the present invention is to provide a kind of electrocardiogram method for drafting and electrocardiogram drawing tool, to realize accurately drawing and debugging simple object.
For achieving the above object, embodiments provide a kind of electrocardiogram method for drafting, described method comprises:
Determine the lateral length of electrocardiogram drawing, and determine longitudinal width of electrocardiogram drawing;
In the electrocardiogram drawing determining described lateral length and described longitudinal width, draw electrocardiogram background check, described electrocardiogram background check is made up of the large lattice that multiple specification is identical, and described large lattice are made up of the little lattice that multiple specification is identical;
Described electrocardiogram background check is drawn the longitudinal cut-off rule between consecutive leads and horizontal partition line;
Predeterminated position drawing standard voltage icon on described electrocardiogram background check;
To determine respectively to lead the original position of swash;
To determine respectively to lead the lateral attitude of each sampled point in swash and lengthwise position based on described original position;
According to lateral attitude and the lengthwise position of sampled point each in the swash that respectively leads, in the regional that described longitudinal cut-off rule and horizontal partition line are formed, draw the swash that respectively leads.
Optionally, the described lateral length determining electrocardiogram drawing, comprising:
According to the lateral length of screen unit lattice pixel, chart drive speed, each cardiac diagnosis lead layout, duration determination electrocardiogram drawing that the longest cardiac diagnosis lead is corresponding.
Optionally, described predeterminated position drawing standard voltage icon on described electrocardiogram background check, comprising:
Respectively between adjacent two horizontal partition lines, between horizontal partition line and electrocardiogram widthwise edge boundary line the leftmost side at least one large lattice in drawing standard voltage icon;
Then, the described lateral length according to screen unit lattice pixel, chart drive speed, each cardiac diagnosis lead layout, duration determination electrocardiogram drawing that the longest cardiac diagnosis lead is corresponding, comprising:
When each cardiac diagnosis lead layout is 12x1, the lateral length N1 of electrocardiogram drawing:
N1＝T1＊S1＊X1+B1＊X1；
Wherein, T1 is the duration that the longest cardiac diagnosis lead is corresponding, and S1 is chart drive speed, X1 screen unit lattice pixel, and B1 is the horizontal total length of at least one large lattice described at described normal voltage icon place;
When each cardiac diagnosis lead layout is 3x4, the lateral length N2 of electrocardiogram drawing:
N2＝T2＊S2＊X2+B2＊X2+3＊K2＊X2；
Wherein, T2 is the duration that the longest cardiac diagnosis lead is corresponding, S2 is chart drive speed, X2 screen unit lattice pixel, B2 is the horizontal total length of at least one large lattice described at described normal voltage icon place, and K2 is longitudinal cut-off rule between consecutive leads and the offset distance between this cardiac diagnosis lead figure end, longitudinal cut-off rule left side;
When each cardiac diagnosis lead layout is 6x2, the lateral length N3 of electrocardiogram drawing:
N3＝T3＊S3＊X3+B3＊X3+K3＊X3；
Wherein, T3 is the duration that the longest cardiac diagnosis lead is corresponding, S3 is chart drive speed, X3 screen unit lattice pixel, B3 is the horizontal total length of at least one large lattice described at described normal voltage icon place, and K3 is longitudinal cut-off rule between consecutive leads and the offset distance between this cardiac diagnosis lead figure end, longitudinal cut-off rule left side.
Optionally, the longitudinal cut-off rule between described consecutive leads is positioned in the longitudinal edge boundary line of described large lattice.
Optionally, the described longitudinal width determining electrocardiogram drawing, comprising:
According to the maximum sampled value of screen unit lattice pixel, amplitude, each cardiac diagnosis lead layout, electrocardiogram (ECG) data and longitudinal width of minimum sampled value determination electrocardiogram drawing.
Optionally, longitudinal width of the described maximum sampled value according to screen unit lattice pixel, amplitude, each cardiac diagnosis lead layout, electrocardiogram (ECG) data and minimum sampled value determination electrocardiogram drawing, comprising:
When each cardiac diagnosis lead layout is 12x1, longitudinal width M1=H*12 of electrocardiogram drawing;
When each cardiac diagnosis lead layout is 3x4, longitudinal width M1=H*4 of electrocardiogram drawing;
When each cardiac diagnosis lead layout is 6x2, longitudinal width M1=H*7 of electrocardiogram drawing;
Wherein, H=(MAX-MIN) * ZF*XU/JD, MAX are the maximum sampled value of electrocardiogram (ECG) data, MIN is the minimum sampled value of electrocardiogram (ECG) data, and ZF is amplitude, and XU is screen unit lattice pixels, JD is sampling precision, and described sampling precision represents the sampled value size that per unit voltage is corresponding.
Optionally, described predeterminated position drawing standard voltage icon on described electrocardiogram background check, comprising:
Respectively between adjacent two horizontal partition lines, between horizontal partition line and electrocardiogram widthwise edge boundary line the leftmost side at least one large lattice in drawing standard voltage icon;
Then, the original position of described swash of determining respectively to lead, comprising:
When each cardiac diagnosis lead layout is 12x1,12 lead in each horizontal original position QW1 led:
QW1＝B1＊X1+D1＊X1；
Wherein, B1 is the horizontal total length of at least one large lattice described at described normal voltage icon place, X1 screen unit lattice pixel, and D1 is 0 or preset length;
When each cardiac diagnosis lead layout is 3x4, except the longest cardiac diagnosis lead other 12 lead in each horizontal original position of leading be QW21, the horizontal original position of the longest cardiac diagnosis lead is QW22:
QW21＝B2＊X2+D2＊X2+(i－1)＊(K2+DLi＊S2)X2；
QW22＝B2＊X2+D2＊X2；
Wherein, B2 is the horizontal total length of at least one large lattice described at described normal voltage icon place, X2 screen unit lattice pixel, D2 is 0 or preset length, K2 is longitudinal cut-off rule between consecutive leads and the offset distance between this cardiac diagnosis lead figure end, longitudinal cut-off rule left side, and DLi is horizontal i-th corresponding duration that leads, and S2 is chart drive speed, i is the transverse direction sequence of leading, i=1,2,3,4;
When each cardiac diagnosis lead layout is 6x2, except the longest cardiac diagnosis lead other 12 lead in each horizontal original position of leading be QW31, the horizontal original position of the longest cardiac diagnosis lead is QW32:
QW31＝B3＊X3+D3＊X3+(i－1)＊(K3+DLi＊S3)X3；
QW32＝B3＊X3+D3＊X3；
Wherein, B3 is the horizontal total length of at least one large lattice described at described normal voltage icon place, X3 screen unit lattice pixel, D3 is 0 or preset length, K3 is longitudinal cut-off rule between consecutive leads and the offset distance between this cardiac diagnosis lead figure end, longitudinal cut-off rule left side, and DLi is horizontal i-th corresponding duration that leads, and S3 is chart drive speed, i is the transverse direction sequence of leading, i=1,2;
When each cardiac diagnosis lead layout is 12x1 or 3x4 or 6x2, according to the maximum sampled value in each cardiac diagnosis lead data, determine longitudinal original position of each swash that leads, the peak value of the swash that leads so that each does not exceed adjacent horizontal partition line or electrocardiogram widthwise edge boundary line.
Optionally, describedly to determine respectively to lead the lateral attitude of each sampled point in swash and lengthwise position based on described original position, comprising:
Each lateral attitude of leading a middle jth sampled point is Xj:
Xj＝QWX+j＊(S＊X)/CYSL；
Wherein, QWX is current horizontal original position of leading, and S is chart drive speed, and X is screen unit lattice pixels, and CYSL is sampling rate;
Each lengthwise position of leading a middle jth sampled point is Yj:
Yj＝QWY+CYZj＊ZF＊X/JD；
Wherein, QWY is current longitudinal original position of leading, and CYZj is the sampled value of a jth sampled point, and ZF is amplitude, X screen unit lattice pixel, and JD is sampling precision, and described sampling precision represents the sampled value size that per unit voltage is corresponding.
The embodiment of the present invention additionally provides a kind of electrocardiogram drawing tool, and described electrocardiogram drawing tool comprises:
Drawing length determination unit, for determining the lateral length of electrocardiogram drawing;
Drawing width determining unit, for determining longitudinal width of electrocardiogram drawing;
Background check drawing unit, for determining that at described drawing length determination unit described lateral length and described drawing width determining unit are determined to draw electrocardiogram background check in the electrocardiogram drawing of described longitudinal width, described electrocardiogram background check is made up of the large lattice that multiple specification is identical, and described large lattice are made up of the little lattice that multiple specification is identical;
Cut-off rule drawing unit, draws the longitudinal cut-off rule between consecutive leads and horizontal partition line on the electrocardiogram background check drawn at described background check drawing unit;
Normal voltage drawing unit, the predeterminated position drawing standard voltage icon on the electrocardiogram background check drawn at described background check drawing unit;
Original position determining unit, for the original position of swash of determining respectively to lead;
Various point locations determining unit, the original position for determining based on described original position determining unit is determined respectively to lead the lateral attitude of each sampled point in swash and lengthwise position;
Respectively lead drawing unit, for lateral attitude and the lengthwise position of each sampled point in the swash that respectively leads determined according to described various point locations determining unit, in the regional that the longitudinal cut-off rule drawn at described cut-off rule drawing unit and horizontal partition line are formed, draw the swash that respectively leads.
Optionally, described drawing length determination unit, specifically for the lateral length according to screen unit lattice pixel, chart drive speed, each cardiac diagnosis lead layout, duration determination electrocardiogram drawing that the longest cardiac diagnosis lead is corresponding.
Optionally, described normal voltage drawing unit, specifically for respectively between adjacent two horizontal partition lines, between horizontal partition line and electrocardiogram widthwise edge boundary line the leftmost side at least one large lattice in drawing standard voltage icon;
Then, described drawing length determination unit, comprising:
First length determination modul, for when each cardiac diagnosis lead layout is 12x1, determine the lateral length N1 of electrocardiogram drawing in the following manner:
N1＝T1＊S1＊X1+B1＊X1；
Wherein, T1 is the duration that the longest cardiac diagnosis lead is corresponding, and S1 is chart drive speed, X1 screen unit lattice pixel, and B1 is the horizontal total length of at least one large lattice described at described normal voltage icon place;
Second length determination modul, for when each cardiac diagnosis lead layout is 3x4, determine the lateral length N2 of electrocardiogram drawing in the following manner:
N2＝T2＊S2＊X2+B2＊X2+3＊K2＊X2；
Wherein, T2 is the duration that the longest cardiac diagnosis lead is corresponding, S2 is chart drive speed, X2 screen unit lattice pixel, B2 is the horizontal total length of at least one large lattice described at described normal voltage icon place, and K2 is longitudinal cut-off rule between consecutive leads and the offset distance between this cardiac diagnosis lead figure end, longitudinal cut-off rule left side;
3rd length determination modul, for when each cardiac diagnosis lead layout is 6x2, determine the lateral length N3 of electrocardiogram drawing in the following manner:
N3＝T3＊S3＊X3+B3＊X3+K3＊X3；
Wherein, T3 is the duration that the longest cardiac diagnosis lead is corresponding, S3 is chart drive speed, X3 screen unit lattice pixel, B3 is the horizontal total length of at least one large lattice described at described normal voltage icon place, and K3 is longitudinal cut-off rule between consecutive leads and the offset distance between this cardiac diagnosis lead figure end, longitudinal cut-off rule left side.
Optionally, the longitudinal cut-off rule between described consecutive leads is positioned in the longitudinal edge boundary line of described large lattice.
Optionally, described drawing width determining unit, specifically for according to the maximum sampled value of screen unit lattice pixel, amplitude, each cardiac diagnosis lead layout, electrocardiogram (ECG) data and longitudinal width of minimum sampled value determination electrocardiogram drawing.
Optionally, described drawing width determining unit, comprising:
First width determination module, for when each cardiac diagnosis lead layout is 12x1, determine longitudinal width of electrocardiogram drawing in the following manner:
M1＝H＊12；
Second width determination module, for when each cardiac diagnosis lead layout is 3x4, determine longitudinal width of electrocardiogram drawing in the following manner:
M1＝H＊4；
3rd width determination module, for when each cardiac diagnosis lead layout is 6x2, determine longitudinal width of electrocardiogram drawing in the following manner:
M1＝H＊7；
Wherein, H=(MAX-MIN) * ZF*XU/JD, MAX are the maximum sampled value of electrocardiogram (ECG) data, MIN is the minimum sampled value of electrocardiogram (ECG) data, and ZF is amplitude, and XU is screen unit lattice pixels, JD is sampling precision, and described sampling precision represents the sampled value size that per unit voltage is corresponding.
Optionally, described normal voltage drawing unit, specifically for respectively between adjacent two horizontal partition lines, between horizontal partition line and electrocardiogram widthwise edge boundary line the leftmost side at least one large lattice in drawing standard voltage icon;
Then, described original position determining unit, comprising:
Primary importance determination module, for when each cardiac diagnosis lead layout is 12x1, determine in the following manner 12 lead in each horizontal original position QW1 led:
QW1＝B1＊X1+D1＊X1；
Wherein, B1 is the horizontal total length of at least one large lattice described at described normal voltage icon place, X1 screen unit lattice pixel, and D1 is 0 or preset length;
Second position determination module, for when each cardiac diagnosis lead layout is 3x4, determine in the following manner except the longest cardiac diagnosis lead other 12 lead in each horizontal original position of leading be QW21, the horizontal original position of the longest cardiac diagnosis lead is QW22:
QW21＝B2＊X2+D2＊X2+(i－1)＊(K2+DLi＊S2)X2；
QW22＝B2＊X2+D2＊X2；
Wherein, B2 is the horizontal total length of at least one large lattice described at described normal voltage icon place, X2 screen unit lattice pixel, D2 is 0 or preset length, K2 is longitudinal cut-off rule between consecutive leads and the offset distance between this cardiac diagnosis lead figure end, longitudinal cut-off rule left side, and DLi is horizontal i-th corresponding duration that leads, and S2 is chart drive speed, i is the transverse direction sequence of leading, i=1,2,3,4;
3rd position determination module, for when each cardiac diagnosis lead layout is 6x2, determine in the following manner except the longest cardiac diagnosis lead other 12 lead in each horizontal original position of leading be QW31, the horizontal original position of the longest cardiac diagnosis lead is QW32:
QW31＝B3＊X3+D3＊X3+(i－1)＊(K3+DLi＊S3)X3；
QW32＝B3＊X3+D3＊X3；
Wherein, B3 is the horizontal total length of at least one large lattice described at described normal voltage icon place, X3 screen unit lattice pixel, D3 is 0 or preset length, K3 is longitudinal cut-off rule between consecutive leads and the offset distance between this cardiac diagnosis lead figure end, longitudinal cut-off rule left side, and DLi is horizontal i-th corresponding duration that leads, and S3 is chart drive speed, i is the transverse direction sequence of leading, i=1,2;
4th position determination module, for when each cardiac diagnosis lead layout is 12x1 or 3x4 or 6x2, according to the maximum sampled value in each cardiac diagnosis lead data, determine longitudinal original position of each swash that leads, the peak value of the swash that leads so that each does not exceed adjacent horizontal partition line or electrocardiogram widthwise edge boundary line.
Optionally, described various point locations determining unit, comprising:
Lateral attitude determination module, for determining that each lateral attitude of leading a middle jth sampled point is Xj in the following manner:
Xj＝QWX+j＊(S＊X)/CYSL；
Wherein, QWX is current horizontal original position of leading, and S is chart drive speed, and X is screen unit lattice pixels, and CYSL is sampling rate;
Lengthwise position determination module, for determining that each lengthwise position of leading a middle jth sampled point is Yj in the following manner:
Yj＝QWY+CYZj＊ZF＊X/JD；
Wherein, QWY is current longitudinal original position of leading, and CYZj is the sampled value of a jth sampled point, and ZF is amplitude, X screen unit lattice pixel, and JD is sampling precision, and described sampling precision represents the sampled value size that per unit voltage is corresponding.
The electrocardiogram method for drafting that the embodiment of the present invention provides and electrocardiogram drawing tool, determine the lateral length of electrocardiogram drawing and longitudinal width, electrocardiogram background check is drawn in electrocardiogram drawing, described electrocardiogram background check is drawn the longitudinal cut-off rule between consecutive leads and horizontal partition line, respectively between adjacent two horizontal partition lines, between horizontal partition line and electrocardiogram widthwise edge boundary line the leftmost side at least one large lattice in drawing standard voltage icon, to determine respectively to lead the original position of swash, to determine respectively to lead the lateral attitude of each sampled point in swash and lengthwise position based on described original position, according to lateral attitude and the lengthwise position of sampled point each in the swash that respectively leads, described electrocardiogram background check draws the swash that respectively leads.Embodiment of the present invention electrocardiogram is drawn accurately, the code of algorithm and picture is easily understood, and do not need when pinpointing the problems to carry out overall situation amendment to whole picture code at every turn, only need to modify for the function code that each step is corresponding, this part amendment makes not easily to go wrong in modification process, thus saves the manpower and materials revised code and spend.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is embodiment of the present invention electrocardio schematic diagram;
Fig. 2 is the schematic flow sheet of embodiment of the present invention electrocardiogram method for drafting;
Fig. 3 is one of electrocardio schematic diagram of embodiment of the present invention 12x1 layout;
Fig. 4 is one of electrocardio schematic diagram of embodiment of the present invention 3x4 layout;
Fig. 5 is one of electrocardio schematic diagram of embodiment of the present invention 6x2 layout;
Fig. 6 is embodiment of the present invention electrocardiogram background check schematic diagram;
Fig. 7 is the electrocardio schematic diagram two of embodiment of the present invention 12x1 layout;
Fig. 8 is the electrocardio schematic diagram two of embodiment of the present invention 3x4 layout;
Fig. 9 is the electrocardio schematic diagram two of embodiment of the present invention 6x2 layout;
Figure 10 is the composition schematic diagram of embodiment of the present invention electrocardiogram drawing tool.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Before introducing the embodiment of the present invention, be first introduced with regard to electrocardiogram itself, electrocardio schematic diagram shown in Figure 1.
● electrocardiogram parameters comprises:
Layout: 3*4,6*2,12*1
Chart drive speed: 12.5mm/s, 25mm/s, 50mm/s, 100mm/s.
Amplitude: 5mm/mV, 10mm/mV, 20mm/mV, 40mm/mV.
Resolution: preset or automatic acquisition (1080/1366/1680/1920/2560).
● grid that electrocardiogram background check is formed by ordinate and horizontal line indicates, electrocardiographic recorder be the time dependent curve of voltage, i.e. horizontal express time, longitudinally represent voltage.
● ECG data shows relevant position by its case marker, namely draws electrocardiogram.
● every 5 little lattice are 1 large lattice, and the length and width of 1 little lattice represent 1mm.
● when chart drive speed is 25mm/s, laterally 1 little lattice=1mm=0.04s; When amplitude (indicate longitudinally 2 large lattice, distance be 10mm, indicates 1mV) for 10mm/mV time, longitudinal 1 little lattice=1mm=0.1mv.
Lower mask body introduces the embodiment of the present invention.
See Fig. 2, be the schematic flow sheet of the electrocardiogram method for drafting that the embodiment of the present invention provides, the method comprises:
Step 201: the lateral length determining electrocardiogram drawing, and the longitudinal width determining electrocardiogram drawing.
Before drafting electrocardiogram, first determine the size of electrocardiogram drawing, to draw electrocardiogram on the electrocardiogram drawing determining size.
One, the lateral length of electrocardiogram drawing
In embodiments of the present invention, the determiner of electrocardiogram drawing lateral length includes but not limited to: screen unit lattice pixel, chart drive speed, each cardiac diagnosis lead layout, duration that the longest cardiac diagnosis lead is corresponding, specifically can according to the lateral length of wherein one or more factor determination electrocardiogram drawings.
Wherein, for described screen unit lattice pixel, according to the screen resolution of the screen resolution of specifying or automatic acquisition, screen unit lattice pixel can be set, such as shown in table 1.
Table 1
| Sequence number | Screen size | Resolution | Screen unit lattice pixel |
| 1 | < 13 cun | 1080 | 4 |
| 2 | 13 cun ~ 15 cun | 1366 | 5 |
| 3 | 17 cun ~ 19 cun | 1680 | 6 |
| 4 | 20 cun ~ 22 cun | 1920 | 7 |
| 5 | > 30 cun | 2560 | 9 |
Wherein, for described chart drive speed, 12.5mm/s or 25mm/s or 50mm/s or 100mm/s can be selected.
Wherein, for described each cardiac diagnosis lead layout, be divided into 12x1 layout and 3x4 layout, 6x2 layout.
One of electrocardio schematic diagram of 12x1 layout shown in Figure 3, the leading of 12x1 layout put in order into:
Be followed successively by I from top to bottom, II, III, aVR, aVL, aVF, V1, V2, V3, V4, V5, V6.
One of electrocardio schematic diagram of 3x4 layout shown in Figure 4, the leading of 3x4 layout put in order into:
First row is followed successively by from top to bottom: I, II, III; Secondary series is followed successively by from top to bottom: aVR, aVL, aVF, and the 3rd row are followed successively by from top to bottom: V1, V2, V3; 4th row are followed successively by from top to bottom: V4, V5, V6; Bottom line is that II leads.
One of electrocardio schematic diagram of 6x2 layout shown in Figure 5, the leading of 6x2 layout put in order into:
First row is followed successively by from top to bottom: I, II, III, aVR, aVL, aVF; Secondary series is followed successively by from top to bottom: V1, V2, V3, V4, V5, V6; Bottom line is that II leads.
Wherein, in 3x4 layout and 6x2 layout, the duration that the longest described cardiac diagnosis lead is corresponding is that bottom line II leads corresponding paper feed duration; In 12x1 layout, the paper feed duration led because of each is identical, and the duration that the longest described cardiac diagnosis lead is corresponding is arbitrary corresponding paper feed duration that leads.
In step 201, specifically according to the lateral length of screen unit lattice pixel, chart drive speed, each cardiac diagnosis lead layout, duration determination electrocardiogram drawing that the longest cardiac diagnosis lead is corresponding.According to the difference of each cardiac diagnosis lead layout, its concrete methods of realizing respectively:
1, when each cardiac diagnosis lead layout is 12x1, the lateral length N1 of electrocardiogram drawing:
N1＝T1＊S1＊X1+B1＊X1；
Wherein, T1 is the duration that the longest cardiac diagnosis lead is corresponding, and S1 is chart drive speed, X1 screen unit lattice pixel, and B1 is the horizontal total length of at least one large lattice at normal voltage icon place.
Such as, in this formula, suppose the duration T1=10s that the longest cardiac diagnosis lead (namely arbitrary lead) is corresponding, chart drive speed S1=25mm/s, then lead shared length T1*S1=250mm for 10 seconds.Normal voltage icon is the leftmost side icon in Fig. 3, it takies 2 large lattice in the horizontal, normal voltage icon is positioned at the centre of these two large lattice, now, B1 is the horizontal total length of these two large lattice, if 1 little lattice=1mm, the 1 little lattice in large lattice=5, then the horizontal total length of these two large lattice is B1=10mm.
2, when each cardiac diagnosis lead layout is 3x4, the lateral length N2 of electrocardiogram drawing:
N2＝T2＊S2＊X2+B2＊X2+3＊K2＊X2；
Wherein, T2 is the duration that the longest cardiac diagnosis lead is corresponding, S2 is chart drive speed, X2 screen unit lattice pixel, B2 is the horizontal total length of at least one large lattice at normal voltage icon place, and K2 is longitudinal cut-off rule between consecutive leads and the offset distance between this cardiac diagnosis lead figure end, longitudinal cut-off rule left side.Particularly, the longitudinal cut-off rule between described consecutive leads is positioned in the longitudinal edge boundary line of described large lattice.
Such as, in this formula, suppose the duration T2=10s that the longest cardiac diagnosis lead (namely in Fig. 4, bottom II leads) is corresponding, chart drive speed S2=25mm/s, then lead shared length T2*S2=250mm for 10 seconds.Normal voltage icon is the leftmost side icon in Fig. 4, it takies 2 large lattice in the horizontal, normal voltage icon is positioned at the centre of these two large lattice, now, B2 is the horizontal total length of these two large lattice, if 1 little lattice=1mm, the 1 little lattice in large lattice=5, then the horizontal total length of these two large lattice is B2=10mm.3x4 layout needs three longitudinal cut-off rules, the longitudinal cut-off rule of the every bar of usual hope is positioned on the boundary line of large lattice, so need to walk according to 12 to lead (leading except the longest) terminal location that paper length (be generally the longest lead walk 1/4th of paper length) determines respectively to lead on electrocardiogram drawing, terminal location certain length described in selected distance and be positioned at the position of large lattice boundary line, length between described terminal location and the described position chosen is K2, such as, suppose 1 little lattice=1mm, the 1 little lattice in large lattice=5, chart drive speed S2=25mm/s, 12 durations led are 2.5s, then 12 lead in each terminal location led be positioned at the centre of large lattice, then K2=n*2.5mm, n suitably can get arbitrary value.
3, when each cardiac diagnosis lead layout is 6x2, the lateral length N3 of electrocardiogram drawing:
N3＝T3＊S3＊X3+B3＊X3+K3＊X3；
Wherein, T3 is the duration that the longest cardiac diagnosis lead is corresponding, S3 is chart drive speed, X3 screen unit lattice pixel, B3 is the horizontal total length of at least one large lattice at normal voltage icon place, and K3 is longitudinal cut-off rule between consecutive leads and the offset distance between this cardiac diagnosis lead figure end, longitudinal cut-off rule left side.Particularly, the longitudinal cut-off rule between described consecutive leads is positioned in the longitudinal edge boundary line of described large lattice.
Such as, in this formula, suppose the duration T3=10s that the longest cardiac diagnosis lead (namely in Fig. 5, bottom II leads) is corresponding, chart drive speed S3=25mm/s, then lead shared length T3*S3=250mm for 10 seconds.Normal voltage icon is the leftmost side icon in Fig. 5, it takies 2 large lattice in the horizontal, normal voltage icon is positioned at the centre of these two large lattice, now, B3 is the horizontal total length of these two large lattice, if 1 little lattice=1mm, the 1 little lattice in large lattice=5, then the horizontal total length of these two large lattice is B3=10mm.6x2 layout needs a longitudinal cut-off rule, usually wish that this longitudinal cut-off rule is positioned on the boundary line of large lattice, so need to walk according to 12 to lead (leading except the longest) terminal location that paper length (be generally the longest lead walk 1/2nd of paper length) determines respectively to lead on electrocardiogram drawing, terminal location certain length described in selected distance and be positioned at the position of large lattice boundary line, length between described terminal location and the described position chosen is K3, such as, suppose 1 little lattice=1mm, the 1 little lattice in large lattice=5, chart drive speed S3=25mm/s, 12 durations led are 6s, then 12 lead in each terminal location led be positioned on the boundary line of large lattice, then K2=n*5mm, n suitably can get arbitrary value.
Two, longitudinal width of electrocardiogram drawing
In embodiments of the present invention, the determiner of the longitudinal width of electrocardiogram drawing includes but not limited to: the maximum sampled value of screen unit lattice pixel, amplitude, each cardiac diagnosis lead layout, electrocardiogram (ECG) data and minimum sampled value, specifically can according to the lateral length of wherein one or more factor determination electrocardiogram drawings.
Wherein, for described screen unit lattice pixel, above-mentioned related introduction is referred to.
Wherein, for described amplitude, 5mm/mV or 10mm/mV or 20mm/mV or 40mm/mV can be selected.
Wherein, for described each cardiac diagnosis lead layout, above-mentioned related introduction is referred to.
Wherein, electrocardio equipment be by the analog-signal transitions of (namely respectively leading) different time points between each position collected be digital signal (as 28,687,1286 ...).The maximum sampled value of described electrocardiogram (ECG) data and minimum sampled value are exactly maximum and minima in these digital signals.
In step 201, specifically according to the maximum sampled value of screen unit lattice pixel, amplitude, each cardiac diagnosis lead layout, electrocardiogram (ECG) data and longitudinal width of minimum sampled value determination electrocardiogram drawing.According to the difference of each cardiac diagnosis lead layout, its concrete methods of realizing respectively:
1, when each cardiac diagnosis lead layout is 12x1, longitudinal width M1=H*12 of electrocardiogram drawing;
2, when each cardiac diagnosis lead layout is 3x4, longitudinal width M1=H*4 of electrocardiogram drawing;
3, when each cardiac diagnosis lead layout is 6x2, longitudinal width M1=H*7 of electrocardiogram drawing;
Wherein, H is the height taken that leads, H=(MAX-MIN) * ZF*XU/JD, MAX is the maximum sampled value of electrocardiogram (ECG) data, and MIN is the minimum sampled value of electrocardiogram (ECG) data, and ZF is amplitude, XU is screen unit lattice pixels, JD is sampling precision, and described sampling precision represents the sampled value size that per unit voltage is corresponding, and the much numerical value namely after the conversion of electrocardio equipment modulus represents 1mV (n/mV).
Step 202: draw electrocardiogram background check in the electrocardiogram drawing determining described lateral length and described longitudinal width, described electrocardiogram background check is made up of the large lattice that multiple specification is identical, and described large lattice are made up of the little lattice that multiple specification is identical.
When drawing electrocardiogram background check, needing to draw large lattice, little lattice, utilizing x wire respectively, vertical line draws large lattice, little lattice, electrocardiogram background check schematic diagram shown in Figure 6.
Step 203: draw the longitudinal cut-off rule between consecutive leads and horizontal partition line on described electrocardiogram background check.
After having drawn large lattice, little lattice, also need to draw the cut-off rule between respectively leading, comprise longitudinal cut-off rule and horizontal partition line.Wherein, the cut-off rule of 12x1 layout is depicted as the form (see Fig. 3) that 12 row 1 arrange, the cut-off rule of 3x4 layout be depicted as 3 row 4 arrange above form add below a complete line for showing II derivative according to (see Fig. 4); The cut-off rule of 6x2 layout be depicted as 6 row 2 arrange above form add below a complete line for showing II derivative according to (see Fig. 5).
Step 204: the predeterminated position drawing standard voltage icon on described electrocardiogram background check.
In the embodiment of the present invention, except can at electrocardiogram leftmost side drawing standard voltage icon, also can at electrocardiogram rightmost side drawing standard voltage icon, can also at the left side of each swash that leads or right side drawing standard voltage icon, the embodiment of the present invention does not limit.
In step 204, its specifically can respectively between adjacent two horizontal partition lines, between horizontal partition line and electrocardiogram widthwise edge boundary line the leftmost side at least one large lattice in drawing standard voltage icon, concrete method for drafting is as follows:
When drawing reference voltage icon, according to the distributing position that leads, by cell pixel, magnitude determinations normal voltage relative value, the original position of leading in the leftmost side (such as the large lattice in two, the leftmost side), draws 1mV voltage reference graticule.See left side icon in Fig. 3 to Fig. 5,12 normal voltage icons drawn by the electrocardiogram drawing of 12x1 layout, 4 normal voltage icons drawn by the electrocardiogram drawing of 3x4 layout, 7 normal voltage icons drawn by the electrocardiogram drawing of 6x2 layout.
Plot step (suppose 1 little lattice=1mm, amplitude is 10mm/mV):
(1), on the little lattice in the 4th, the electrocardiogram drawing leftmost side, horizontal line is drawn;
(2), from the horizontal line terminal of step (1) draw vertical line, vertical line goes through 10 little lattice;
(3), from the vertical line terminal of step (2) draw horizontal line, horizontal line goes through 2 little lattice;
(4), from the horizontal line terminal of step (3) draw vertical line, vertical line goes through 10 little lattice;
(5), from the vertical line terminal of step (4) draw horizontal line, horizontal line goes through 2 little lattice.
Step 205: the original position of swash of determining respectively to lead.
In embodiments of the present invention in order to draw 12 lead electrocardiogram, first needing the original position determining that each leads, comprising horizontal original position and longitudinal original position.
One, according to the difference of each cardiac diagnosis lead layout, the defining method of the horizontal original position of the swash that respectively leads respectively:
1, when each cardiac diagnosis lead layout is 12x1,12 lead in each horizontal original position QW1 led:
QW1＝B1＊X1+D1＊X1；
Wherein, B1 is the horizontal total length of at least one large lattice described at described normal voltage icon place, X1 screen unit lattice pixel, and D1 is 0 or preset length.
Such as: at least one large lattice described at tentative standard voltage icon place are 2 large lattice on the left of electrocardiogram drawing, then using the horizontal original position (now D1=0) that the starting point of horizontal 3rd large lattice is led as each, the electrocardio schematic diagram two of 12x1 layout shown in Figure 7.Certainly, the horizontal original position also can led as each in other position, such as by horizontal original position that the starting point (now D1 is the lateral length of 1 large lattice, such as 5mm) of horizontal the 4th large lattice is led as each.
2, when each cardiac diagnosis lead layout is 3x4, except the longest cardiac diagnosis lead other 12 lead in each horizontal original position of leading be QW21, the horizontal original position of the longest cardiac diagnosis lead is QW22:
QW21＝B2＊X2+D2＊X2+(i－1)＊(K2+DLi＊S2)X2；
QW22＝B2＊X2+D2＊X2；
Wherein, B2 is the horizontal total length of at least one large lattice described at described normal voltage icon place, X2 screen unit lattice pixel, D2 is 0 or preset length, K2 is longitudinal cut-off rule between consecutive leads and the offset distance between this cardiac diagnosis lead figure end, longitudinal cut-off rule left side, and DLi is horizontal i-th corresponding duration that leads, and S2 is chart drive speed, i is the transverse direction sequence of leading, i=1,2,3,4.
Such as: at least one large lattice described at tentative standard voltage icon place are 2 large lattice on the left of electrocardiogram drawing, then the starting point of horizontal the 3rd large lattice is led and the horizontal original position (i=1) of the longest cardiac diagnosis lead as first row 3, using the horizontal original position (i=2) led as secondary series 3 in the 1st article of longitudinal cut-off rule place, using the horizontal original position (i=3) led as the 3rd row 3 in the 2nd article of longitudinal cut-off rule place, using the horizontal original position (i=4) led as the 4th row 3 in the 3rd article of longitudinal cut-off rule place, now D2=0, the electrocardio schematic diagram two of 3x4 layout shown in Figure 8.Certainly, also the horizontal original position can led as each in other position, such as the starting point of horizontal the 4th large lattice is led and the horizontal original position (i=1) of the longest cardiac diagnosis lead as first row 3, using the horizontal original position (i=2) led as secondary series 3 in large for distance the 1st article of longitudinal cut-off rule 1 lattice place, using large for distance the 2nd article of longitudinal cut-off rule 1 lattice everywhere as the horizontal original position (i=3) that the 3rd row 3 lead, using the horizontal original position (i=4) led as the 4th row 3 in large for distance the 3rd article of longitudinal cut-off rule 1 lattice place, now D2 is the lateral length of 1 large lattice, such as 5mm.
3, when each cardiac diagnosis lead layout is 6x2, except the longest cardiac diagnosis lead other 12 lead in each horizontal original position of leading be QW31, the horizontal original position of the longest cardiac diagnosis lead is QW32:
QW31＝B3＊X3+D3＊X3+(i－1)＊(K3+DLi＊S3)X3；
QW32＝B3＊X3+D3＊X3；
Wherein, B3 is the horizontal total length of at least one large lattice described at described normal voltage icon place, X3 screen unit lattice pixel, D3 is 0 or preset length, K3 is longitudinal cut-off rule between consecutive leads and the offset distance between this cardiac diagnosis lead figure end, longitudinal cut-off rule left side, and DLi is horizontal i-th corresponding duration that leads, and S3 is chart drive speed, i is the transverse direction sequence of leading, i=1,2.
Such as: at least one large lattice described at tentative standard voltage icon place are 2 large lattice on the left of electrocardiogram drawing, then the starting point of horizontal the 3rd large lattice is led and the horizontal original position (i=1) of the longest cardiac diagnosis lead as first row 6, using horizontal original position (i=2) the now D3=0 led as secondary series 6 in longitudinal cut-off rule place, the electrocardio schematic diagram two of 6x2 layout shown in Figure 9.Certainly, also the horizontal original position can led as each in other position, such as the starting point of horizontal the 4th large lattice is led and the horizontal original position (i=1) of the longest cardiac diagnosis lead as first row 6, using the horizontal original position (i=2) of leading as secondary series 6 apart from the large lattice place of longitudinal cut-off rule 1, now D3 is the lateral length of 1 large lattice, such as 5mm.
Two, according to the difference of each cardiac diagnosis lead layout, the defining method of the longitudinal original position of the swash that respectively leads is:
In embodiments of the present invention, the longitudinal original position of swash of respectively leading can be longitudinal centre position of drawing area corresponding to it, also can be the position on the upper side or on the lower side in longitudinal centre position, but the peak-peak of the swash that respectively leads can not exceed drawing area corresponding to it, its adjacent horizontal partition line or electrocardiogram widthwise edge boundary line namely can not be exceeded.Therefore, when each cardiac diagnosis lead layout is 12x1 or 3x4 or 6x2, according to the maximum sampled value in each cardiac diagnosis lead data, determine longitudinal original position of each swash that leads, the peak value of the swash that leads so that each does not exceed adjacent horizontal partition line or electrocardiogram widthwise edge boundary line.
Step 206: to determine respectively to lead the lateral attitude of each sampled point in swash and lengthwise position based on described original position.
In embodiments of the present invention, after step 205 determines the original position of the swash that respectively leads, the lateral attitude of each sampled point and lengthwise position in swash of determining further respectively to lead.
One, the defining method of each sampled point lateral attitude is:
Each lateral attitude of leading a middle jth sampled point is Xj:
Xj＝QWX+j＊(S＊X)/CYSL
Wherein, QWX is current horizontal original position of leading, and S is chart drive speed, and X is screen unit lattice pixels, and CYSL is sampling rate.
It should be noted that, when electrocardiogram layout is different, lead for each, QWX is that this leads in the horizontal original position (specific implementation see in step 205) of corresponding layout; Sampling rate CYSL is unit Temporal sampling, and unit is m/s.
Two, the defining method of each sampled point lengthwise position is:
Each lengthwise position of leading a middle jth sampled point is Yj:
Yj＝QWY+CYZj＊ZF＊X/JD
Wherein, QWY is current longitudinal original position of leading, and CYZj is the sampled value of a jth sampled point, and ZF is amplitude, X screen unit lattice pixel, and JD is sampling precision, and described sampling precision represents the sampled value size that per unit voltage is corresponding.
It should be noted that, when electrocardiogram layout is different, lead for each, QWY is that this leads in longitudinal original position (specific implementation see in step 205) of corresponding layout.
Step 207: according to lateral attitude and the lengthwise position of sampled point each in the swash that respectively leads, draws the swash that respectively leads in the regional that described longitudinal cut-off rule and horizontal partition line are formed.
In embodiments of the present invention, after step 206 determines each the lead lateral attitude of each sampled point on electrocardiogram background check and lengthwise position, the swash that respectively leads is drawn, such as see Fig. 7 to Fig. 9 in the regional that just can be formed at longitudinal cut-off rule and horizontal partition line.
See Figure 10, be the composition schematic diagram of the electrocardiogram drawing tool that the embodiment of the present invention provides, comprise:
Drawing length determination unit 1001, for determining the lateral length of electrocardiogram drawing;
Drawing width determining unit 1002, for determining longitudinal width of electrocardiogram drawing;
Background check drawing unit 1003, for determining that at described drawing length determination unit 1001 described lateral length and described drawing width determining unit 1002 are determined to draw electrocardiogram background check in the electrocardiogram drawing of described longitudinal width, described electrocardiogram background check is made up of the large lattice that multiple specification is identical, and described large lattice are made up of the little lattice that multiple specification is identical;
Cut-off rule drawing unit 1004, draws the longitudinal cut-off rule between consecutive leads and horizontal partition line on the electrocardiogram background check drawn at described background check drawing unit 1003;
Normal voltage drawing unit 1005, the predeterminated position drawing standard voltage icon on the electrocardiogram background check drawn at described background check drawing unit 1003;
Original position determining unit 1006, for the original position of swash of determining respectively to lead;
Various point locations determining unit 1007, the original position for determining based on described original position determining unit 1006 is determined respectively to lead the lateral attitude of each sampled point in swash and lengthwise position;
Respectively lead drawing unit 1008, for lateral attitude and the lengthwise position of each sampled point in the swash that respectively leads determined according to described various point locations determining unit 1007, in the regional that the longitudinal cut-off rule drawn at described cut-off rule drawing unit and horizontal partition line are formed, draw the swash that respectively leads.
In embodiments of the present invention, described drawing length determination unit 1001, specifically for the lateral length according to screen unit lattice pixel, chart drive speed, each cardiac diagnosis lead layout, duration determination electrocardiogram drawing that the longest cardiac diagnosis lead is corresponding.
In embodiments of the present invention, described normal voltage drawing unit 1005, specifically for drawing standard voltage icon at least one large lattice of the leftmost side between the horizontal partition line drawn at adjacent two described cut-off rule drawing units 1004 respectively, between the horizontal partition line drawn of described cut-off rule drawing unit 1004 and electrocardiogram widthwise edge boundary line; Then, described drawing length determination unit 1001, comprising:
First length determination modul, for when each cardiac diagnosis lead layout is 12x1, determine the lateral length N1 of electrocardiogram drawing in the following manner:
N1＝T1＊S1＊X1+B1＊X1；
Wherein, T1 is the duration that the longest cardiac diagnosis lead is corresponding, and S1 is chart drive speed, X1 screen unit lattice pixel, and B1 is the horizontal total length of at least one large lattice described at described normal voltage icon place;
Second length determination modul, for when each cardiac diagnosis lead layout is 3x4, determine the lateral length N2 of electrocardiogram drawing in the following manner:
N2＝T2＊S2＊X2+B2＊X2+3＊K2＊X2；
Wherein, T2 is the duration that the longest cardiac diagnosis lead is corresponding, S2 is chart drive speed, X2 screen unit lattice pixel, B2 is the horizontal total length of at least one large lattice described at described normal voltage icon place, and K2 is longitudinal cut-off rule between consecutive leads and the offset distance between this cardiac diagnosis lead figure end, longitudinal cut-off rule left side;
3rd length determination modul, for when each cardiac diagnosis lead layout is 6x2, determine the lateral length N3 of electrocardiogram drawing in the following manner:
N3＝T3＊S3＊X3+B3＊X3+K3＊X3；
Wherein, T3 is the duration that the longest cardiac diagnosis lead is corresponding, S3 is chart drive speed, X3 screen unit lattice pixel, B3 is the horizontal total length of at least one large lattice described at described normal voltage icon place, and K3 is longitudinal cut-off rule between consecutive leads and the offset distance between this cardiac diagnosis lead figure end, longitudinal cut-off rule left side.
In embodiments of the present invention, the longitudinal cut-off rule between described consecutive leads is positioned in the longitudinal edge boundary line of described large lattice.
In embodiments of the present invention, described drawing width determining unit 1002, specifically for according to the maximum sampled value of screen unit lattice pixel, amplitude, each cardiac diagnosis lead layout, electrocardiogram (ECG) data and longitudinal width of minimum sampled value determination electrocardiogram drawing.
In embodiments of the present invention, described drawing width determining unit 1002, comprising:
First width determination module, for when each cardiac diagnosis lead layout is 12x1, determine longitudinal width of electrocardiogram drawing in the following manner:
M1＝H＊12；
Second width determination module, for when each cardiac diagnosis lead layout is 3x4, determine longitudinal width of electrocardiogram drawing in the following manner:
M1＝H＊4；
3rd width determination module, for when each cardiac diagnosis lead layout is 6x2, determine longitudinal width of electrocardiogram drawing in the following manner:
M1＝H＊7；
Wherein, H=(MAX-MIN) * ZF*XU/JD, MAX are the maximum sampled value of electrocardiogram (ECG) data, MIN is the minimum sampled value of electrocardiogram (ECG) data, and ZF is amplitude, and XU is screen unit lattice pixels, JD is sampling precision, and described sampling precision represents the sampled value size that per unit voltage is corresponding.
In embodiments of the present invention, described normal voltage drawing unit 1005, specifically for drawing standard voltage icon at least one large lattice of the leftmost side between the horizontal partition line drawn at adjacent two described cut-off rule drawing units 1004 respectively, between the horizontal partition line drawn of described cut-off rule drawing unit 1004 and electrocardiogram widthwise edge boundary line; Then, described original position determining unit 1006, comprising:
Primary importance determination module, for when each cardiac diagnosis lead layout is 12x1, determine in the following manner 12 lead in each horizontal original position QW1 led:
QW1＝B1＊X1+D1＊X1；
Wherein, B1 is the horizontal total length of at least one large lattice described at described normal voltage icon place, X1 screen unit lattice pixel, and D1 is 0 or preset length;
Second position determination module, for when each cardiac diagnosis lead layout is 3x4, determine in the following manner except the longest cardiac diagnosis lead other 12 lead in each horizontal original position of leading be QW21, the horizontal original position of the longest cardiac diagnosis lead is QW22:
QW21＝B2＊X2+D2＊X2+(i－1)＊(K2+DLi＊S2)X2；
QW22＝B2＊X2+D2＊X2；
Wherein, B2 is the horizontal total length of at least one large lattice described at described normal voltage icon place, X2 screen unit lattice pixel, D2 is 0 or preset length, K2 is longitudinal cut-off rule between consecutive leads and the offset distance between this cardiac diagnosis lead figure end, longitudinal cut-off rule left side, and DLi is horizontal i-th corresponding duration that leads, and S2 is chart drive speed, i is the transverse direction sequence of leading, i=1,2,3,4;
3rd position determination module, for when each cardiac diagnosis lead layout is 6x2, determine in the following manner except the longest cardiac diagnosis lead other 12 lead in each horizontal original position of leading be QW31, the horizontal original position of the longest cardiac diagnosis lead is QW32:
QW31＝B3＊X3+D3＊X3+(i－1)＊(K3+DLi＊S3)X3；
QW32＝B3＊X3+D3＊X3；
Wherein, B3 is the horizontal total length of at least one large lattice described at described normal voltage icon place, X3 screen unit lattice pixel, D3 is 0 or preset length, K3 is longitudinal cut-off rule between consecutive leads and the offset distance between this cardiac diagnosis lead figure end, longitudinal cut-off rule left side, and DLi is horizontal i-th corresponding duration that leads, and S3 is chart drive speed, i is the transverse direction sequence of leading, i=1,2;
4th position determination module, for when each cardiac diagnosis lead layout is 12x1 or 3x4 or 6x2, according to the maximum sampled value in each cardiac diagnosis lead data, determine longitudinal original position of each swash that leads, the peak value of the swash that leads so that each does not exceed adjacent horizontal partition line or electrocardiogram widthwise edge boundary line.
In embodiments of the present invention, described various point locations determining unit 1007, comprising:
Lateral attitude determination module, for determining that each lateral attitude of leading a middle jth sampled point is Xj in the following manner:
Xj＝QWX+j＊(S＊X)/CYSL；
Wherein, QWX is current horizontal original position of leading, and S is chart drive speed, and X is screen unit lattice pixels, and CYSL is sampling rate;
Lengthwise position determination module, for determining that each lengthwise position of leading a middle jth sampled point is Yj in the following manner:
Yj＝QWY+CYZj＊ZF＊X/JD；
Wherein, QWY is current longitudinal original position of leading, and CYZj is the sampled value of a jth sampled point, and ZF is amplitude, X screen unit lattice pixel, and JD is sampling precision, and described sampling precision represents the sampled value size that per unit voltage is corresponding.
The electrocardiogram method for drafting that the embodiment of the present invention provides and electrocardiogram drawing tool, determine the lateral length of electrocardiogram drawing and longitudinal width, electrocardiogram background check is drawn in electrocardiogram drawing, described electrocardiogram background check is drawn the longitudinal cut-off rule between consecutive leads and horizontal partition line, respectively between adjacent two horizontal partition lines, between horizontal partition line and electrocardiogram widthwise edge boundary line the leftmost side at least one large lattice in drawing standard voltage icon, to determine respectively to lead the original position of swash, to determine respectively to lead the lateral attitude of each sampled point in swash and lengthwise position based on described original position, according to lateral attitude and the lengthwise position of sampled point each in the swash that respectively leads, described electrocardiogram background check draws the swash that respectively leads.Embodiment of the present invention electrocardiogram is drawn accurately, the code of algorithm and picture is easily understood, and do not need when pinpointing the problems to carry out overall situation amendment to whole picture code at every turn, only need to modify for the function code that each step is corresponding, this part amendment makes not easily to go wrong in modification process, thus saves the manpower and materials revised code and spend.
It should be noted that the parameter (comprising layout, chart drive speed, amplitude, screen resolution etc.) that the embodiment of the present invention can be specified according to user draws the electrocardio picture of user's specified format dynamically.
It should be noted that, the electrocardiogram method for drafting that the embodiment of the present invention provides and electrocardiogram drawing tool also have following beneficial effect:
(1), electrocardiogram drawing tool supports webservice and SDK two kinds of method of calling, and call webservice interface, return with byte array form, user can obtain picture in the following way:
ByteArrayInputStreamin＝newByteArrayInputStream(rs)；
BufferedImageimage1＝ImageIO.read(in)；
Call SDK interface and need import jar file, support to return electrocardiogram with byte array and picture two kinds of modes.When returning byte array, processing mode is the same.
(2), user can specify input parameter according to demand: layout (3x4,6x2,12x1), chart drive speed (12.5mm/s, 25mm/s, 50mm/s, 100mm/s), amplitude (5mm/mV, 10mm/mV, 20mm/mV, 40mm/mV), resolution (1080/1366/1680/1920/2560) or automatic acquisition resolution etc. arrange the electrocardiogram pattern that will draw.
(3), for the Electrocardiographic user of needs picture, no longer need the ECG information that profound understanding is detailed, simply call and can complete the Electrocardiographic demand of picture.
(4), component call is convenient, without the need to any basis, revises according to example.
(5), assembly directly returns electrocardio picture and ECG data stream, and computation time is fast, and common computer PC runs, and allocating time is no more than 1s and can returns.
(6), without network when, also can draw, electrocardiogram display no longer rely on network.
As seen through the above description of the embodiments, those skilled in the art can be well understood to the mode that all or part of step in above-described embodiment method can add required general hardware platform by software and realizes.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network communication equipments such as such as WMG, etc.) perform the method described in some part of each embodiment of the present invention or embodiment.
It should be noted that, for electrocardiogram drawing tool disclosed in embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates see method part.
Also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (16)
1. an electrocardiogram method for drafting, is characterized in that, described method comprises:
Determine the lateral length of electrocardiogram drawing, and determine longitudinal width of electrocardiogram drawing;
In the electrocardiogram drawing determining described lateral length and described longitudinal width, draw electrocardiogram background check, described electrocardiogram background check is made up of the large lattice that multiple specification is identical, and described large lattice are made up of the little lattice that multiple specification is identical;
Described electrocardiogram background check is drawn the longitudinal cut-off rule between consecutive leads and horizontal partition line;
Predeterminated position drawing standard voltage icon on described electrocardiogram background check;
To determine respectively to lead the original position of swash;
To determine respectively to lead the lateral attitude of each sampled point in swash and lengthwise position based on described original position;
According to lateral attitude and the lengthwise position of sampled point each in the swash that respectively leads, in the regional that described longitudinal cut-off rule and horizontal partition line are formed, draw the swash that respectively leads.
2. method according to claim 1, is characterized in that, the described lateral length determining electrocardiogram drawing, comprising:
According to the lateral length of screen unit lattice pixel, chart drive speed, each cardiac diagnosis lead layout, duration determination electrocardiogram drawing that the longest cardiac diagnosis lead is corresponding.
3. method according to claim 2, is characterized in that, described predeterminated position drawing standard voltage icon on described electrocardiogram background check, comprising:
Respectively between adjacent two horizontal partition lines, between horizontal partition line and electrocardiogram widthwise edge boundary line the leftmost side at least one large lattice in drawing standard voltage icon;
Then, the described lateral length according to screen unit lattice pixel, chart drive speed, each cardiac diagnosis lead layout, duration determination electrocardiogram drawing that the longest cardiac diagnosis lead is corresponding, comprising:
When each cardiac diagnosis lead layout is 12x1, the lateral length N1 of electrocardiogram drawing:
N1＝T1＊S1＊X1+B1＊X1；
Wherein, T1 is the duration that the longest cardiac diagnosis lead is corresponding, and S1 is chart drive speed, X1 screen unit lattice pixel, and B1 is the horizontal total length of at least one large lattice described at described normal voltage icon place;
When each cardiac diagnosis lead layout is 3x4, the lateral length N2 of electrocardiogram drawing:
N2＝T2＊S2＊X2+B2＊X2+3＊K2＊X2；
Wherein, T2 is the duration that the longest cardiac diagnosis lead is corresponding, S2 is chart drive speed, X2 screen unit lattice pixel, B2 is the horizontal total length of at least one large lattice described at described normal voltage icon place, and K2 is longitudinal cut-off rule between consecutive leads and the offset distance between this cardiac diagnosis lead figure end, longitudinal cut-off rule left side;
When each cardiac diagnosis lead layout is 6x2, the lateral length N3 of electrocardiogram drawing:
N3＝T3＊S3＊X3+B3＊X3+K3＊X3；
Wherein, T3 is the duration that the longest cardiac diagnosis lead is corresponding, S3 is chart drive speed, X3 screen unit lattice pixel, B3 is the horizontal total length of at least one large lattice described at described normal voltage icon place, and K3 is longitudinal cut-off rule between consecutive leads and the offset distance between this cardiac diagnosis lead figure end, longitudinal cut-off rule left side.
4. method according to claim 3, is characterized in that,
Longitudinal cut-off rule between described consecutive leads is positioned in the longitudinal edge boundary line of described large lattice.
5. method according to claim 1, is characterized in that, the described longitudinal width determining electrocardiogram drawing, comprising:
According to the maximum sampled value of screen unit lattice pixel, amplitude, each cardiac diagnosis lead layout, electrocardiogram (ECG) data and longitudinal width of minimum sampled value determination electrocardiogram drawing.
6. method according to claim 5, is characterized in that, longitudinal width of the described maximum sampled value according to screen unit lattice pixel, amplitude, each cardiac diagnosis lead layout, electrocardiogram (ECG) data and minimum sampled value determination electrocardiogram drawing, comprising:
When each cardiac diagnosis lead layout is 12x1, longitudinal width M1=H*12 of electrocardiogram drawing;
When each cardiac diagnosis lead layout is 3x4, longitudinal width M1=H*4 of electrocardiogram drawing;
When each cardiac diagnosis lead layout is 6x2, longitudinal width M1=H*7 of electrocardiogram drawing;
Wherein, H=(MAX-MIN) * ZF*XU/JD, MAX are the maximum sampled value of electrocardiogram (ECG) data, MIN is the minimum sampled value of electrocardiogram (ECG) data, and ZF is amplitude, and XU is screen unit lattice pixels, JD is sampling precision, and described sampling precision represents the sampled value size that per unit voltage is corresponding.
7. method according to claim 1, is characterized in that, described predeterminated position drawing standard voltage icon on described electrocardiogram background check, comprising:
Respectively between adjacent two horizontal partition lines, between horizontal partition line and electrocardiogram widthwise edge boundary line the leftmost side at least one large lattice in drawing standard voltage icon;
Then, the original position of described swash of determining respectively to lead, comprising:
When each cardiac diagnosis lead layout is 12x1,12 lead in each horizontal original position QW1 led:
QW1＝B1＊X1+D1＊X1；
Wherein, B1 is the horizontal total length of at least one large lattice described at described normal voltage icon place, X1 screen unit lattice pixel, and D1 is 0 or preset length;
When each cardiac diagnosis lead layout is 3x4, except the longest cardiac diagnosis lead other 12 lead in each horizontal original position of leading be QW21, the horizontal original position of the longest cardiac diagnosis lead is QW22:
QW21＝B2＊X2+D2＊X2+(i－1)＊(K2+DLi＊S2)X2；
QW22＝B2＊X2+D2＊X2；
Wherein, B2 is the horizontal total length of at least one large lattice described at described normal voltage icon place, X2 screen unit lattice pixel, D2 is 0 or preset length, K2 is longitudinal cut-off rule between consecutive leads and the offset distance between this cardiac diagnosis lead figure end, longitudinal cut-off rule left side, and DLi is horizontal i-th corresponding duration that leads, and S2 is chart drive speed, i is the transverse direction sequence of leading, i=1,2,3,4;
When each cardiac diagnosis lead layout is 6x2, except the longest cardiac diagnosis lead other 12 lead in each horizontal original position of leading be QW31, the horizontal original position of the longest cardiac diagnosis lead is QW32:
QW31＝B3＊X3+D3＊X3+(i－1)＊(K3+DLi＊S3)X3；
QW32＝B3＊X3+D3＊X3；
Wherein, B3 is the horizontal total length of at least one large lattice described at described normal voltage icon place, X3 screen unit lattice pixel, D3 is 0 or preset length, K3 is longitudinal cut-off rule between consecutive leads and the offset distance between this cardiac diagnosis lead figure end, longitudinal cut-off rule left side, and DLi is horizontal i-th corresponding duration that leads, and S3 is chart drive speed, i is the transverse direction sequence of leading, i=1,2;
When each cardiac diagnosis lead layout is 12x1 or 3x4 or 6x2, according to the maximum sampled value in each cardiac diagnosis lead data, determine longitudinal original position of each swash that leads, the peak value of the swash that leads so that each does not exceed adjacent horizontal partition line or electrocardiogram widthwise edge boundary line.
8. the method according to any one of claim 1 to 7, is characterized in that, describedly to determine respectively to lead the lateral attitude of each sampled point in swash and lengthwise position based on described original position, comprising:
Each lateral attitude of leading a middle jth sampled point is Xj:
Xj＝QWX+j＊(S＊X)/CYSL；
Wherein, QWX is current horizontal original position of leading, and S is chart drive speed, and X is screen unit lattice pixels, and CYSL is sampling rate;
Each lengthwise position of leading a middle jth sampled point is Yj:
Yj＝QWY+CYZj＊ZF＊X/JD；
Wherein, QWY is current longitudinal original position of leading, and CYZj is the sampled value of a jth sampled point, and ZF is amplitude, X screen unit lattice pixel, and JD is sampling precision, and described sampling precision represents the sampled value size that per unit voltage is corresponding.
9. an electrocardiogram drawing tool, is characterized in that, described electrocardiogram drawing tool comprises:
Drawing length determination unit, for determining the lateral length of electrocardiogram drawing;
Drawing width determining unit, for determining longitudinal width of electrocardiogram drawing;
Background check drawing unit, for determining that at described drawing length determination unit described lateral length and described drawing width determining unit are determined to draw electrocardiogram background check in the electrocardiogram drawing of described longitudinal width, described electrocardiogram background check is made up of the large lattice that multiple specification is identical, and described large lattice are made up of the little lattice that multiple specification is identical;
Cut-off rule drawing unit, draws the longitudinal cut-off rule between consecutive leads and horizontal partition line on the electrocardiogram background check drawn at described background check drawing unit;
Normal voltage drawing unit, the predeterminated position drawing standard voltage icon on the electrocardiogram background check that the background check drawing unit for drawing at described background check drawing unit is drawn;
Original position determining unit, for the original position of swash of determining respectively to lead;
Various point locations determining unit, the original position for determining based on described original position determining unit is determined respectively to lead the lateral attitude of each sampled point in swash and lengthwise position;
Respectively lead drawing unit, for lateral attitude and the lengthwise position of each sampled point in the swash that respectively leads determined according to described various point locations determining unit, in the regional that the longitudinal cut-off rule drawn at described cut-off rule drawing unit and horizontal partition line are formed, draw the swash that respectively leads.
10. electrocardiogram drawing tool according to claim 9, it is characterized in that, described drawing length determination unit, specifically for the lateral length according to screen unit lattice pixel, chart drive speed, each cardiac diagnosis lead layout, duration determination electrocardiogram drawing that the longest cardiac diagnosis lead is corresponding.
11. electrocardiogram drawing tools according to claim 10, it is characterized in that, described normal voltage drawing unit, specifically for respectively between adjacent two horizontal partition lines, between horizontal partition line and electrocardiogram widthwise edge boundary line the leftmost side at least one large lattice in drawing standard voltage icon;
Then, described drawing length determination unit, comprising:
First length determination modul, for when each cardiac diagnosis lead layout is 12x1, determine the lateral length N1 of electrocardiogram drawing in the following manner:
N1＝T1＊S1＊X1+B1＊X1；
Wherein, T1 is the duration that the longest cardiac diagnosis lead is corresponding, and S1 is chart drive speed, X1 screen unit lattice pixel, and B1 is the horizontal total length of at least one large lattice described at described normal voltage icon place;
Second length determination modul, for when each cardiac diagnosis lead layout is 3x4, determine the lateral length N2 of electrocardiogram drawing in the following manner:
N2＝T2＊S2＊X2+B2＊X2+3＊K2＊X2；
Wherein, T2 is the duration that the longest cardiac diagnosis lead is corresponding, S2 is chart drive speed, X2 screen unit lattice pixel, B2 is the horizontal total length of at least one large lattice described at described normal voltage icon place, and K2 is longitudinal cut-off rule between consecutive leads and the offset distance between this cardiac diagnosis lead figure end, longitudinal cut-off rule left side;
3rd length determination modul, for when each cardiac diagnosis lead layout is 6x2, determine the lateral length N3 of electrocardiogram drawing in the following manner:
N3＝T3＊S3＊X3+B3＊X3+K3＊X3；
Wherein, T3 is the duration that the longest cardiac diagnosis lead is corresponding, S3 is chart drive speed, X3 screen unit lattice pixel, B3 is the horizontal total length of at least one large lattice described at described normal voltage icon place, and K3 is longitudinal cut-off rule between consecutive leads and the offset distance between this cardiac diagnosis lead figure end, longitudinal cut-off rule left side.
12. electrocardiogram drawing tools according to claim 11, is characterized in that,
Longitudinal cut-off rule between described consecutive leads is positioned in the longitudinal edge boundary line of described large lattice.
13. electrocardiogram drawing tools according to claim 9, it is characterized in that, described drawing width determining unit, specifically for according to the maximum sampled value of screen unit lattice pixel, amplitude, each cardiac diagnosis lead layout, electrocardiogram (ECG) data and longitudinal width of minimum sampled value determination electrocardiogram drawing.
14. electrocardiogram drawing tools according to claim 13, is characterized in that, described drawing width determining unit, comprising:
First width determination module, for when each cardiac diagnosis lead layout is 12x1, determine longitudinal width of electrocardiogram drawing in the following manner:
M1＝H＊12；
Second width determination module, for when each cardiac diagnosis lead layout is 3x4, determine longitudinal width of electrocardiogram drawing in the following manner:
M1＝H＊4；
3rd width determination module, for when each cardiac diagnosis lead layout is 6x2, determine longitudinal width of electrocardiogram drawing in the following manner:
M1＝H＊7；
Wherein, H=(MAX-MIN) * ZF*XU/JD, MAX are the maximum sampled value of electrocardiogram (ECG) data, MIN is the minimum sampled value of electrocardiogram (ECG) data, and ZF is amplitude, and XU is screen unit lattice pixels, JD is sampling precision, and described sampling precision represents the sampled value size that per unit voltage is corresponding.
15. electrocardiogram drawing tools according to claim 9, it is characterized in that, described normal voltage drawing unit, specifically for respectively between adjacent two horizontal partition lines, between horizontal partition line and electrocardiogram widthwise edge boundary line the leftmost side at least one large lattice in drawing standard voltage icon;
Then, described original position determining unit, comprising:
Primary importance determination module, for when each cardiac diagnosis lead layout is 12x1, determine in the following manner 12 lead in each horizontal original position QW1 led:
QW1＝B1＊X1+D1＊X1；
Wherein, B1 is the horizontal total length of at least one large lattice described at described normal voltage icon place, X1 screen unit lattice pixel, and D1 is 0 or preset length;
Second position determination module, for when each cardiac diagnosis lead layout is 3x4, determine in the following manner except the longest cardiac diagnosis lead other 12 lead in each horizontal original position of leading be QW21, the horizontal original position of the longest cardiac diagnosis lead is QW22:
QW21＝B2＊X2+D2＊X2+(i－1)＊(K2+DLi＊S2)X2；
QW22＝B2＊X2+D2＊X2；
Wherein, B2 is the horizontal total length of at least one large lattice described at described normal voltage icon place, X2 screen unit lattice pixel, D2 is 0 or preset length, K2 is longitudinal cut-off rule between consecutive leads and the offset distance between this cardiac diagnosis lead figure end, longitudinal cut-off rule left side, and DLi is horizontal i-th corresponding duration that leads, and S2 is chart drive speed, i is the transverse direction sequence of leading, i=1,2,3,4;
3rd position determination module, for when each cardiac diagnosis lead layout is 6x2, determine in the following manner except the longest cardiac diagnosis lead other 12 lead in each horizontal original position of leading be QW31, the horizontal original position of the longest cardiac diagnosis lead is QW32:
QW31＝B3＊X3+D3＊X3+(i－1)＊(K3+DLi＊S3)X3；
QW32＝B3＊X3+D3＊X3；
Wherein, B3 is the horizontal total length of at least one large lattice described at described normal voltage icon place, X3 screen unit lattice pixel, D3 is 0 or preset length, K3 is longitudinal cut-off rule between consecutive leads and the offset distance between this cardiac diagnosis lead figure end, longitudinal cut-off rule left side, and DLi is horizontal i-th corresponding duration that leads, and S3 is chart drive speed, i is the transverse direction sequence of leading, i=1,2;
4th position determination module, for when each cardiac diagnosis lead layout is 12x1 or 3x4 or 6x2, according to the maximum sampled value in each cardiac diagnosis lead data, determine longitudinal original position of each swash that leads, the peak value of the swash that leads so that each does not exceed adjacent horizontal partition line or electrocardiogram widthwise edge boundary line.
16. electrocardiogram drawing tools according to any one of claim 9 to 15, it is characterized in that, described various point locations determining unit, comprising:
Lateral attitude determination module, for determining that each lateral attitude of leading a middle jth sampled point is Xj in the following manner:
Xj＝QWX+j＊(S＊X)/CYSL；
Wherein, QWX is current horizontal original position of leading, and S is chart drive speed, and X is screen unit lattice pixels, and CYSL is sampling rate;
Lengthwise position determination module, for determining that each lengthwise position of leading a middle jth sampled point is Yj in the following manner:
Yj＝QWY+CYZj＊ZF＊X/JD；
Wherein, QWY is current longitudinal original position of leading, and CYZj is the sampled value of a jth sampled point, and ZF is amplitude, X screen unit lattice pixel, and JD is sampling precision, and described sampling precision represents the sampled value size that per unit voltage is corresponding.
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Address after: Room 2070, building 2, Lane 1800, Xinyang Road, Lingang New Area, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 200120 Patentee after: NEUSOFT XIKANG HEALTHCARE TECHNOLOGY Co.,Ltd. Address before: 100179, No. 315-9, building 321, room 6, 8 West Wang Lu, Haidian District, Beijing Patentee before: NEUSOFT XIKANG HEALTHCARE TECHNOLOGY Co.,Ltd. |