CN116407097A - Method and device for reviewing trend of physiological parameters - Google Patents
Method and device for reviewing trend of physiological parameters Download PDFInfo
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Abstract
The invention relates to the technical field of medical equipment, and discloses a method and a device for reviewing trend of physiological parameters. The review method comprises the following steps: obtaining at least one physiological parameter measurement value output by a monitor; generating first trend data based on the physiological parameter measurements; performing wild point elimination on the first trend data according to a preset preprocessing rule to obtain second trend data; and generating a trend line corresponding to the physiological parameter measured value based on the second trend data, and displaying the trend line in a review mode on a trend line interface. By eliminating the wild points of the first trend data generated based on the physiological parameter measured value according to the preprocessing rule, the second trend data with the wild points eliminated can be obtained and trend lines are correspondingly generated, so that interference factors of the trend lines are reduced, and the accuracy of the medical staff in assessing the state of the patient is improved.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a method and a device for reviewing trend of physiological parameters.
Background
The physiological parameter information includes heart rate, respiration rate, blood pressure, body temperature, blood oxygen, pain, etc., and in order to accurately evaluate the patient state and make a treatment decision, as many kinds of physiological parameter information as possible need to be obtained and visually presented. The existing medical equipment is often integrated with a physiological parameter trend line to achieve the above purpose, but the following problems still exist:
The trend lines of the physiological parameters are simply plotted, but lack further processing of the trend lines. If the wild points are not removed, judgment of the variation trend line and screening of typical waveforms (such as waveforms corresponding to the maximum heart rate) can be affected, and judgment of the state of the patient can also be affected. In addition, in some cases, the physiological parameters may have abrupt changes, very similar to the wild points of the interference noise, such as short ventricular tachycardia, where the heart rate also rises steeply, the medical care may not need these heart rate points, but the existing products do not provide a means to reject these points.
Only the variation of the physiological parameter trend line is presented, but no necessary additional information is associated on the trend line. Such information includes alarm information automatically generated by the monitor, such as lead switching/falling off or arrhythmia, etc., and also includes information automatically generated by non-monitor, such as diagnosis and treatment means, patient movement condition, external interference, etc. The fluctuation of the physiological parameter trend line may be caused by taking some treatment measures, may be caused by normal physiological changes of the patient, and may even be caused by interference of physiological signals, so if the trend line does not have necessary additional information, it is difficult for medical care to distinguish whether the fluctuation of the physiological parameter value is caused by interference or caused by disease changes, and the physiological parameter value and the monitoring alarm state cannot be obtained quickly and intuitively at the same time, so that the medical care is unfavorable for accurately knowing the physiological parameter fluctuation trend and comprehensively evaluating the patient state.
No contrast function for different time periods is provided. In general, healthcare is highly required to compare trendlines over different time periods when observing the trendlines. The existing products generally map physiological parameters in all time periods, so that the trend line is greatly compressed and separated into unclear details due to the size of a mapping area, and waveform comparison of different time sub-periods on the trend line is very difficult.
Disclosure of Invention
To solve at least one of the above-mentioned shortcomings, the present invention provides a method and apparatus for reviewing trends of physiological parameters.
The invention provides a review method of physiological parameter trend, which comprises the following steps:
obtaining at least one physiological parameter measurement value output by a monitor;
generating first trend data based on the physiological parameter measurements;
performing wild point elimination on the first trend data according to a preset preprocessing rule to obtain second trend data;
and generating a trend line corresponding to the physiological parameter measured value based on the second trend data, and displaying the trend line in a review mode on a trend line interface.
Optionally, in a certain implementation, the physiological parameter measurement includes at least one of heart rate, systolic pressure, diastolic pressure, blood oxygen saturation, and respiratory rate.
Optionally, in an implementation manner, the step of performing wild point elimination on the first trend data according to a preset preprocessing rule to obtain second trend data includes:
providing a preprocessing rule interface for a user to input corresponding preprocessing rules;
and performing wild point elimination on the first trend data according to the preprocessing rule input by the user to obtain second trend data.
Optionally, in one implementation, the preprocessing rules include, but are not limited to, signal quality, conventional filtering, and template elimination.
Optionally, in an implementation manner, the step of providing a preprocessing rule interface for a user to input a corresponding preprocessing rule includes:
providing a preprocessing rule interface, and providing a corresponding preprocessing rule sub-interface for a user to set corresponding rule configuration when a triggering instruction of the preprocessing rule in the preprocessing rule interface is detected, wherein the rule configuration comprises a preset default rule and a reset rule changed by the user;
the step of displaying the trend line in a review mode at a trend line interface comprises the following steps:
and according to the rule configuration, reviewing and displaying the processed trend line on the trend line interface.
Optionally, in an implementation, the preprocessing rule includes a manual operation, and before the step of displaying the trend line in a review manner, the preprocessing rule further includes:
providing a manual operation interface;
when a trigger instruction of manual operation in the manual operation interface is detected, providing an editable trend line interface for a user to manually reject target wild points on the trend line;
the step of displaying the trend line in a review mode at a trend line interface comprises the following steps:
and reviewing and displaying the trend line after the target wild point is removed on the trend line interface.
Optionally, in an implementation manner, the step of generating a trend line corresponding to the measured value of the physiological parameter based on the second trend data and displaying the trend line in a review manner on a trend line interface further includes:
providing a related information interface for a user to input required related information;
and correspondingly displaying the needed associated information input by the user on the trend line interface.
Optionally, in an implementation manner, the content of the association information interface includes at least one of a category list and a display method.
Optionally, in an implementation manner, the step of providing an association information interface for a user to input required association information includes:
Providing a correlation information interface, and when a trigger instruction of the category list in the correlation information interface is detected;
providing a category list sub-interface for a user to input needed associated information;
the category content displayed by the category list sub-interface includes, but is not limited to, at least one of patient status, medical information, pathological events, and other categories.
Optionally, in one implementation, the patient status includes, but is not limited to, athletic information and/or patient oral symptoms;
the diagnosis and treatment information comprises at least one of medication, lead switching and algorithm configuration changing;
the pathological events include, but are not limited to, arrhythmia events and/or hypooximetry alarm events;
such other categories include, but are not limited to, shift transactions and/or recording parameter values.
Optionally, in a certain implementation manner, after the step of providing the association information interface for the user to input the required association information, the method further includes:
providing a related information interface, and when a triggering instruction of a display method in the related information interface is detected;
providing a display method sub-interface for a user to input a corresponding display method, wherein the display method comprises, but is not limited to, redrawing, marking and deleting;
The step of correspondingly displaying the needed associated information input by the user on the trend line interface comprises the following steps:
and correspondingly displaying the needed associated information input by the user on the trend line interface according to the display method.
Optionally, in an implementation, when the display method input by the user is redrawn;
the step of correspondingly displaying the needed associated information input by the user on the trend line interface according to the display method comprises the following steps:
and correspondingly displaying needed associated information input by a user on the trend line interface, and drawing line segments of the trend line corresponding to the needed associated information in different colors or line types.
Optionally, in an implementation, when the display method input by the user is a mark;
the step of correspondingly displaying the needed associated information input by the user on the trend line interface according to the display method comprises the following steps:
correspondingly displaying needed associated information input by a user on the trend line interface, and marking line segments of the trend line corresponding to the needed associated information with selection frame marks with different colors or line types; and applying different character string marks to the needed associated information pair.
Optionally, in a certain implementation, when the display method input by the user is deletion;
the step of correspondingly displaying the needed associated information input by the user on the trend line interface according to the display method comprises the following steps:
and correspondingly displaying needed associated information input by a user on the trend line interface, and deleting the line segment of the trend line corresponding to the needed associated information.
Optionally, in an implementation, the preprocessing rule includes an association mask;
before the step of displaying the trend line in a review mode, the method further comprises the following steps:
providing an associated shielding interface;
when a triggering instruction of the association shielding in the association shielding interface is detected, an association shielding sub-interface is provided for a user to input target association information needing shielding;
the step of displaying the trend line in a review mode at a trend line interface comprises the following steps:
and reviewing the trend line after the target associated information is screened in the trend line interface.
Optionally, in an implementation, the shielding content of the associated shielding sub-interface includes at least one of a patient status, diagnosis and treatment information, and a pathological event.
Optionally, in an implementation manner, the step of generating a trend line corresponding to the measured value of the physiological parameter based on the second trend data and displaying the trend line in a review manner on a trend line interface further includes:
providing a trend feature description interface;
when a trigger instruction of trend feature description in the trend feature description interface is detected, providing a trend feature description sub-interface for a user to input feature information to be described;
the characteristic information comprises at least one of a maximum parameter value, a minimum parameter value, a typical parameter value, a maximum continuous rising time of the parameter value and a fastest variation of the parameter value.
Optionally, in an implementation, the review method further includes:
providing a trend feature display interface;
when a triggering instruction of trend feature display in the trend feature display interface is detected, providing a trend feature display sub-interface for a user to input a feature display method of the required feature information, wherein the feature display method comprises at least one of newly built display area display, display on the line trend interface and corresponding marking on the trend line;
and correspondingly displaying the characteristic information on the trend line interface according to the characteristic display method.
Optionally, in an implementation, the review method further includes: and providing a waveform area interface for displaying the physiological parameter waveform corresponding to the characteristic information.
Optionally, in a certain implementation, the waveform area interface is a region embedded in the trend line interface; or (b)
The waveform region interface is a separate interface from the trend line interface and may be suspended on or substituted for the trend line interface in response to an open command.
Optionally, in an implementation manner, the step of generating a trend line corresponding to the measured value of the physiological parameter based on the second trend data and displaying the trend line in a review manner on a trend line interface further includes:
providing a trend comparison interface;
when a triggering instruction of trend comparison in the trend comparison interface is detected, providing a trend comparison sub-interface for a user to input a corresponding comparison rule;
and processing the trend line according to the comparison rule input by the user to obtain and display a comparison trend line.
Optionally, in one implementation, the display interface of the contrasting trend line is a separate interface distinct from the trend line interface, and may be suspended on or replace the trend line interface in response to an open command.
Optionally, in a certain implementation, the comparison rule includes at least one of a period selection, an arrangement, and a comparison description.
Optionally, in an implementation manner, when a trigger instruction of trend comparison in the trend comparison interface is detected, a trend comparison sub-interface is provided, and the step for inputting a corresponding comparison rule by a user includes:
and when a triggering instruction for selecting the time period in the trend comparison sub-interface is detected, providing a time period selection sub-interface for a user to input a required comparison starting point or comparison length.
Optionally, in an implementation manner, when a trigger instruction of trend comparison in the trend comparison interface is detected, a trend comparison sub-interface is provided, and the step for inputting a corresponding comparison rule by a user includes:
when the trigger instruction of the arrangement mode in the trend comparison sub-interface is detected, an arrangement mode sub-interface is provided for a user to input a required stacking, horizontal or vertical arrangement mode.
Optionally, in an implementation manner, when a trigger instruction of trend comparison in the trend comparison interface is detected, a trend comparison sub-interface is provided, and the step for inputting a corresponding comparison rule by a user includes:
When a trigger instruction of comparison description in the trend comparison sub-interface is detected, a comparison description sub-interface is provided for a user to input needed description information;
the description information comprises at least one of a maximum parameter value, a minimum parameter value, a typical parameter value, a maximum continuous rising time of the parameter value and a fastest variation of the parameter value.
Optionally, in an implementation manner, the comparison description sub-interface further includes a reference waveform, and the reference waveform corresponds to the description information.
Optionally, in an implementation, the trend line is displayed in a two-dimensional coordinate system, the horizontal axis is a time axis, and the vertical axis is a data axis representing physiological parameters.
The invention also provides a review device of the trend of the physiological parameter, which comprises:
the acquisition module is used for acquiring at least one physiological parameter measured value output by the monitor;
a first processing module for generating first trend data based on the physiological parameter measurements;
the second processing module is used for performing wild point elimination on the first trend data according to a preset preprocessing rule to obtain second trend data;
and the display module is used for generating a trend line corresponding to the physiological parameter measured value based on the second trend data and displaying the trend line in a review mode on a trend line interface.
Optionally, in an implementation, the preprocessing rules include at least one of signal quality, conventional filtering, template elimination, correlation masking, and manual operation.
Optionally, in an implementation, the review device further includes: and the association module is used for inputting needed association information by a user and correspondingly displaying the needed association information input by the user on the trend line interface.
Optionally, in an implementation, the review device further includes:
the trend feature module is used for inputting feature information to be described by a user, wherein the feature information comprises at least one of a maximum parameter value, a minimum parameter value, a typical parameter value, a maximum continuous rising time of the parameter value and a fastest variation of the parameter value; and
the feature display method is used for inputting the needed feature information by a user and comprises at least one of newly built display area display, line trend interface display and corresponding marking on the trend line; and
and the characteristic information is correspondingly displayed on the trend line interface according to the characteristic display method.
Optionally, in an implementation, the review device further includes: the trend comparison module is used for inputting corresponding comparison rules according to a user, processing the trend lines according to the comparison rules input by the user, and obtaining and displaying comparison trend lines;
The comparison rule includes at least one of a period selection, an arrangement, and a comparison description.
According to the technical scheme provided by the invention, the wild point is removed from the first trend data generated based on the physiological parameter measurement value according to the preprocessing rule, so that the second trend data with the wild point removed can be obtained and the trend line is correspondingly generated, and the interference factor of the trend line is reduced; the user can accurately know the relevant reasons causing trend line change by setting the relevant information on the trend line, and can extract, compare and present the relevant trend lines in different time periods, so that visual comparison and observation of the change of the trend line are facilitated, and the accuracy of the medical staff in evaluating the state of the patient is improved.
Drawings
FIG. 1 is a flow chart of one embodiment of a method for reviewing trends in physiological parameters in accordance with embodiments of the present invention;
FIG. 2 is a schematic diagram of one embodiment of a preprocessing rule interface in an embodiment of the present invention;
FIG. 3 is a diagram of an embodiment of an associated information interface in accordance with an embodiment of the present invention;
FIG. 4 is a schematic diagram of one embodiment of a trend comparison interface in accordance with an embodiment of the present invention;
FIG. 5 is a schematic diagram of one embodiment of a trend comparison arrangement in accordance with an embodiment of the present invention;
FIG. 6 is a schematic diagram of one embodiment of interaction of trend lines provided in this embodiment with a reference waveform;
FIG. 7 is a schematic diagram showing a comparison of one embodiment of the original waveform, the original trend, and the trend line after outliers are removed provided in this embodiment;
fig. 8 is a schematic diagram of one embodiment of a vital signs overview interface provided in this embodiment.
Detailed Description
The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments described herein may be implemented in other sequences than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus.
For ease of understanding, specific procedures of embodiments of the present invention are described below.
Referring to fig. 1, a flowchart of an embodiment of a method for reviewing trends of physiological parameters according to an embodiment of the present invention is shown, where the method includes:
s1, obtaining at least one physiological parameter measured value output by a monitor;
it can be appreciated that the execution subject of the present invention may be a review device of the trend of physiological parameters, and may also be a terminal or a server, which is not limited herein. The embodiment of the invention is described by taking a server as an execution main body as an example.
S2, generating first trend data based on the physiological parameter measured value;
s3, performing wild point elimination on the first trend data according to a preset preprocessing rule to obtain second trend data;
s4, generating a trend line corresponding to the physiological parameter measured value based on the second trend data, and displaying the trend line in a review mode on a trend line interface.
In the present application, the physiological parameter measurement includes at least one of heart rate, systolic pressure, diastolic pressure, blood oxygen saturation, and respiratory rate. Wild points specifically refer to invalid values, values of varying anomalies, or other parameter measurements that the user needs to mask. The presence of outliers will affect the determination of the trend line of variation and the screening of typical waveforms (e.g., waveforms corresponding to maximum heart rate) and will also affect the determination of patient status. The trend line generated by the second data after the wild points are removed through the preprocessing rules is smoothed, interference factors can be greatly reduced, and the situation that medical staff are required to manually judge which wild points are on the trend line and which are normal change values is avoided.
In this embodiment, the step S3 includes:
s31, providing a preprocessing rule interface for a user to input corresponding preprocessing rules;
s32, performing wild point elimination on the first trend data according to the preprocessing rule input by the user to obtain second trend data.
Referring to fig. 2, a schematic diagram of an embodiment of a preprocessing rule interface in the present embodiment, where the preprocessing rules include, but are not limited to, signal quality, conventional filtering, template elimination, association masking, and manual operation, and the preprocessing rules may be used alone or in combination. The user may adjust the smoothness of the trend lines according to using different preprocessing rules.
When the preprocessing rule is any one of signal quality, conventional filtering, and template elimination, step S31 includes: providing a preprocessing rule interface, and providing a corresponding preprocessing rule sub-interface for a user to set corresponding rule configuration when a triggering instruction of the preprocessing rule in the preprocessing rule interface is detected, wherein the rule configuration comprises a preset default rule and a reset rule changed by the user;
after step S31, the trend line after the display process is reviewed at the trend line interface according to the rule configuration.
In this embodiment, referring to fig. 2A, when the preprocessing rule is selected to be signal quality, the sub-page provides a corresponding default rule and a reset rule for the user to change by himself. And evaluating the waveform quality of the original physiological signal corresponding to each parameter in real time according to the rule, and deleting the related parameter measured value corresponding to the signal segment conforming to the default rule/reset rule.
In this embodiment, referring to fig. 2C, when the preprocessing rule is selected to be conventional filtering, the sub-page provides a corresponding default rule and a reset rule for the user to change by himself. A filter is provided to smooth the parameter value curve, the provided filter typically being a low pass, e.g. butterworth filtered low pass filter with an IIR cut-off frequency of 3Hz, which filter removes high frequency glitch noise. Morphological filter modification and customization functions may also be provided, and the user may adjust parameters of the filter, such as the type, order, cut-off frequency, etc., to adjust the degree of smoothing.
In this embodiment, referring to fig. 2B, when the preprocessing rule is selected for template elimination, the sub-page provides a corresponding default rule and a reset rule for the user to change by himself. The algorithm itself has performance limitations, and may output erroneous parameter values (i.e., wild points) at certain times, and the trend lines of physiological parameters tend to have specific morphologies around these erroneous parameter values. By presetting a plurality of form templates, when a certain section of form on the trend line is similar to the templates, the form template is identified as an error parameter value and deleted, and a form template self-defining function is provided, so that a user can self-define certain trend forms which want to be removed.
In the present embodiment, referring to 2D in fig. 2, when the preprocessing rule is selected as the association mask;
providing an association shielding sub-interface for a user to input association information required by a target to be shielded; the content of the association shielding sub-interface comprises at least one of movement interference, diagnosis and treatment information and pathological events;
and reviewing the trend line interface after displaying the associated information required for shielding the target.
Through the association mask, the associated information such as patient state, diagnosis and treatment information, pathological events and the like can be removed, and if the user selects certain associated information, all the parameter values of the latter part in the time period corresponding to the information are removed. Such as "patient exercise" and "short-array arrhythmia", the user may choose to have selectively masked parameter values such as heart rate for a corresponding period of time.
In this embodiment, when the preprocessing rule is selected for manual operation, the trend line interface becomes an editable interface, specifically including;
providing a manual operation interface;
when a trigger instruction of manual operation in the manual operation interface is detected, providing an editable trend line interface for a user to manually reject target wild points on the trend line;
And reviewing and displaying the trend line after the target wild point is removed on the trend line interface.
In this embodiment, after step S4, an associated information input setting is further provided, which specifically includes:
s41, providing a related information interface for a user to input required related information;
s42, correspondingly displaying needed associated information input by a user on the trend line interface;
the content of the associated information interface comprises at least one of a category list and a display method.
In the present embodiment, step S41 includes:
providing a correlation information interface, and when a trigger instruction of the category list in the correlation information interface is detected;
a category list sub-interface is provided for the user to enter the desired association information.
Referring to fig. 3, a schematic diagram of an embodiment of an association information interface in the present embodiment is shown, where the category content displayed by the category list sub-interface includes, but is not limited to, at least one of patient status, diagnosis and treatment information, pathological events, and other categories, and the association information may be synchronized with the content of the association mask in the preprocessing rule.
Wherein the patient status includes, but is not limited to, athletic information and/or patient oral symptoms; the diagnosis and treatment information comprises at least one of medication, lead switching and algorithm configuration changing; the pathological events include, but are not limited to, arrhythmia events and/or hypooximetry alarm events; such other categories include, but are not limited to, shift-over events and/or logging parameter values, manually entering patient-related information and associating with trendlines, which may facilitate user review at any time.
In this embodiment, after step S41, an associated information display setting is further provided, which specifically includes:
s411, providing a related information interface, and when a triggering instruction of a display method in the related information interface is detected;
s412, providing a display method sub-interface for a user to input a corresponding display method, wherein the display method comprises, but is not limited to, redrawing, marking and deleting;
and correspondingly displaying the needed associated information input by the user on the trend line interface according to the display method.
In this embodiment, when the display method of the user input is redrawn; and correspondingly displaying needed associated information input by a user on the trend line interface, and drawing line segments of the trend line corresponding to the needed associated information in different colors or line types.
In the present embodiment, when the display method of the user input is a mark; correspondingly displaying needed associated information input by a user on the trend line interface, and marking line segments of the trend line corresponding to the needed associated information with selection frame marks with different colors or line types; and applying different character string marks to the needed associated information pair.
In this embodiment, when the display method of the user input is deletion; and correspondingly displaying needed associated information input by a user on the trend line interface, and deleting the line segment of the trend line corresponding to the needed associated information.
In this embodiment, after step S4, a trend feature description setting is further provided, which specifically includes:
s43, providing a trend feature description interface;
s44, when a trigger instruction of trend feature description in the trend feature description interface is detected, providing a trend feature description sub-interface for a user to input feature information to be described;
the characteristic information comprises at least one of a maximum parameter value, a minimum parameter value, a typical parameter value, a maximum continuous rising time of the parameter value and a fastest variation of the parameter value.
In this embodiment, after step S44, a trend feature display setting is also provided, which specifically includes:
providing a trend feature display interface;
when a triggering instruction of trend feature display in the trend feature display interface is detected, providing a trend feature display sub-interface for a user to input a feature display method of the required feature information, wherein the feature display method comprises at least one of newly built display area display, display on the line trend interface and corresponding marking on the trend line;
And correspondingly displaying the characteristic information on the trend line interface according to the characteristic display method.
In this embodiment, in order to facilitate the user to view the original waveform diagram corresponding to the feature information, a waveform area interface is further provided for displaying the physiological parameter waveform corresponding to the feature information. The waveform area interface is a region embedded in the trend line interface; or the waveform region interface is a separate interface from the trend line interface and may hover over or replace the trend line interface in response to an open command.
In this embodiment, after step S4, a trend comparison setting is further provided, which specifically includes:
s45, providing a trend comparison interface;
s46, when a trigger instruction of trend comparison in the trend comparison interface is detected, providing a trend comparison sub-interface for a user to input a corresponding comparison rule;
s47, processing the trend line according to the comparison rule input by the user to obtain and display a comparison trend line;
the comparison rule includes at least one of a period selection, an arrangement, and a comparison description.
In this embodiment, the display interface of the comparative trend line is a separate interface from the trend line interface, and may be suspended on the trend line interface or replace the trend line interface in response to an open command.
Referring to fig. 4, a schematic diagram of one embodiment of a trend comparison interface in the present embodiment, in this embodiment, referring to fig. 4A, step S46 includes: and when a triggering instruction for selecting the time period in the trend comparison sub-interface is detected, providing a time period selection sub-interface for a user to input a required comparison starting point or comparison length.
In this embodiment, referring to fig. 4B, when a trigger instruction of the arrangement mode in the trend comparison sub-interface is detected, an arrangement mode sub-interface is provided for a user to input a required stacking, horizontal or vertical arrangement mode.
In this embodiment, referring to fig. 4C, when a trigger instruction of a comparison description in the trend comparison sub-interface is detected, a comparison description sub-interface is provided for a user to input required description information; the description information comprises at least one of a maximum parameter value, a minimum parameter value, a typical parameter value, a maximum continuous rising time of the parameter value and a fastest variation of the parameter value.
Referring to fig. 5, a schematic diagram of one embodiment of the trend comparison arrangement mode in this embodiment is shown, in this embodiment, by providing a multi-segment comparison function, a user is allowed to set a comparison starting point and a comparison length of a multi-segment trend line, and set a comparison arrangement mode of the trend line. The trend lines may be drawn as aligned starting points and then stacked in the same region (see fig. 5A), may be displayed vertically in different sub-regions (see fig. 5B), may be displayed horizontally in different sub-regions (see fig. 5C), and may also provide a simple description of the comparison conclusion, including but not limited to: the maximum difference value, the time length when the difference value exceeds the specified threshold value and the like, and the description can preset a template, thereby providing convenience for a user to obtain the comparison information of trend lines in different time periods.
In this embodiment, the comparison descriptor interface further includes a reference waveform, and the reference waveform corresponds to the description information. Referring to fig. 6, an embodiment of interaction between a trend line and a reference waveform is shown in the present embodiment, where a line segment in a selection frame in the trend line corresponds to a reference waveform-physiological signal waveform from below, so that a user can quickly view the physiological signal waveform corresponding to the trend line segment.
In this embodiment, the trend line is displayed in a two-dimensional coordinate system, the horizontal axis is a time axis, and the vertical axis is a data axis representing physiological parameters, so that a user can intuitively read corresponding information through the coordinate axes.
Referring to fig. 7, a comparison schematic diagram of an embodiment of the original waveform, the original trend and the trend line after the wild points are removed is provided in this embodiment, and it can be seen from the figure that the trend line after the wild points are removed according to the above-mentioned preset rule is smoother than the trend line of the original trend, so that the interference of the wild points is avoided.
Referring to fig. 8, a schematic diagram of an embodiment of a vital sign overview interface provided in this embodiment is shown, in which different functional modules may be displayed in the same interface partition, and a trend line area is set on one side, and an operation area is as follows: the preprocessing rule area, the trend characteristic area, the trend comparison area, the association information area and the like are arranged on the other side, and the area division is reasonable. Wherein, in the waveform region of the trend line (coordinate axis is not shown), from top to bottom, the four trend lines represent respiration rate, systolic blood pressure, blood oxygen and heart rate, respectively.
The method has the advantages that the wild point is removed from the first trend data generated based on the physiological parameter measured value according to the preprocessing rule, so that the second trend data with the wild point removed can be obtained, and the trend line is correspondingly generated, so that the interference factors of the trend line are reduced; the user can accurately know the relevant reasons causing trend line change by setting the relevant information on the trend line, and can extract, compare and present the relevant trend lines in different time periods, so that visual comparison and observation of the change of the trend line are facilitated, and the accuracy of the medical staff in evaluating the state of the patient is improved.
The present embodiment also provides a review device (not shown) of a trend of a physiological parameter, for performing any one of the above-mentioned review methods of a trend of a physiological parameter, the device comprising:
the acquisition module is used for acquiring at least one physiological parameter measured value output by the monitor;
a first processing module for generating first trend data based on the physiological parameter measurements;
the second processing module is used for performing wild point elimination on the first trend data according to a preset preprocessing rule to obtain second trend data;
and the display module is used for generating a trend line corresponding to the physiological parameter measured value based on the second trend data and displaying the trend line in a review mode on a trend line interface.
The review device includes:
the acquisition module is used for acquiring at least one physiological parameter measured value output by the monitor;
a first processing module for generating first trend data based on the physiological parameter measurements;
the second processing module is used for performing wild point elimination on the first trend data according to a preset preprocessing rule to obtain second trend data;
the display module is used for generating a trend line corresponding to the physiological parameter measured value based on the second trend data and displaying the trend line in a review mode on a trend line interface;
the preprocessing rules include at least one of signal quality, conventional filtering, template elimination, correlation masking, and manual operation.
In this embodiment, the review means further comprises:
the trend feature module is used for inputting feature information to be described by a user, wherein the feature information comprises at least one of a maximum parameter value, a minimum parameter value, a typical parameter value, a maximum continuous rising time of the parameter value and a fastest variation of the parameter value; and
the feature display method is used for inputting the needed feature information by a user and comprises at least one of newly built display area display, line trend interface display and corresponding marking on the trend line; and
And the characteristic information is correspondingly displayed on the trend line interface according to the characteristic display method.
In this embodiment, the review means further comprises:
the trend comparison module is used for inputting corresponding comparison rules according to a user, processing the trend lines according to the comparison rules input by the user, and obtaining and displaying comparison trend lines;
the comparison rule includes at least one of a period selection, an arrangement, and a comparison description.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, which are not repeated herein.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (33)
1. A method of reviewing a trend of a physiological parameter, the method comprising:
obtaining at least one physiological parameter measurement value output by a monitor;
generating first trend data based on the physiological parameter measurements;
performing wild point elimination on the first trend data according to a preset preprocessing rule to obtain second trend data;
and generating a trend line corresponding to the physiological parameter measured value based on the second trend data, and displaying the trend line in a review mode on a trend line interface.
2. The method of claim 1, wherein the physiological parameter measurements include at least one of heart rate, systolic pressure, diastolic pressure, blood oxygen saturation, and respiration rate.
3. The method according to claim 1, wherein the step of performing outlier rejection on the first trend data according to a preset preprocessing rule to obtain second trend data comprises:
providing a preprocessing rule interface for a user to input corresponding preprocessing rules;
and performing wild point elimination on the first trend data according to the preprocessing rule input by the user to obtain second trend data.
4. A method of review of trends in physiological parameters according to claim 3, wherein the preprocessing rules include, but are not limited to, signal quality, conventional filtering, and template elimination.
5. The method of claim 4, wherein the step of providing a preprocessing rule interface for a user to input corresponding preprocessing rules comprises:
providing a preprocessing rule interface, and providing a corresponding preprocessing rule sub-interface for a user to set corresponding rule configuration when a triggering instruction of the preprocessing rule in the preprocessing rule interface is detected, wherein the rule configuration comprises a preset default rule and a reset rule changed by the user;
the step of displaying the trend line in a review mode at a trend line interface comprises the following steps:
and according to the rule configuration, reviewing and displaying the processed trend line on the trend line interface.
6. The method of claim 4, wherein the preprocessing rules include manual operations, and wherein before the step of displaying the trend line in the trend line interface, further comprising:
providing a manual operation interface;
When a trigger instruction of manual operation in the manual operation interface is detected, providing an editable trend line interface for a user to manually reject target wild points on the trend line;
the step of displaying the trend line in a review mode at a trend line interface comprises the following steps:
and reviewing and displaying the trend line after the target wild point is removed on the trend line interface.
7. The method of claim 1, wherein generating a trend line corresponding to the physiological parameter measurement based on the second trend data, and after the step of displaying the trend line in a review of a trend line interface, further comprises:
providing a related information interface for a user to input required related information;
and correspondingly displaying the needed associated information input by the user on the trend line interface.
8. The method of claim 7, wherein the content of the associated information interface includes at least one of a category list and a display method.
9. The method of claim 8, wherein the step of providing an associated information interface for a user to input desired associated information comprises:
Providing a correlation information interface, and when a trigger instruction of the category list in the correlation information interface is detected;
providing a category list sub-interface for a user to input needed associated information;
the category content displayed by the category list sub-interface includes, but is not limited to, at least one of patient status, medical information, pathological events, and other categories.
10. The method for reviewing a trend of physiological parameters according to claim 9,
the patient status includes, but is not limited to, athletic information and/or patient oral symptoms;
the diagnosis and treatment information comprises at least one of medication, lead switching and algorithm configuration changing;
the pathological events include, but are not limited to, arrhythmia events and/or hypooximetry alarm events;
such other categories include, but are not limited to, shift transactions and/or recording parameter values.
11. The method of claim 9, wherein the step of providing an associated information interface for a user to input desired associated information further comprises, after the step of:
providing a related information interface, and when a triggering instruction of a display method in the related information interface is detected;
Providing a display method sub-interface for a user to input a corresponding display method, wherein the display method comprises, but is not limited to, redrawing, marking and deleting;
the step of correspondingly displaying the needed associated information input by the user on the trend line interface comprises the following steps:
and correspondingly displaying the needed associated information input by the user on the trend line interface according to the display method.
12. The method of claim 11, wherein when the user input is redrawn;
the step of correspondingly displaying the needed associated information input by the user on the trend line interface according to the display method comprises the following steps:
and correspondingly displaying needed associated information input by a user on the trend line interface, and drawing line segments of the trend line corresponding to the needed associated information in different colors or line types.
13. The method of claim 11, wherein when the display method of the user input is a marker;
the step of correspondingly displaying the needed associated information input by the user on the trend line interface according to the display method comprises the following steps:
Correspondingly displaying needed associated information input by a user on the trend line interface, and marking line segments of the trend line corresponding to the needed associated information with selection frame marks with different colors or line types; and
and marking the needed associated information pairs by using different character strings.
14. The method of claim 11, wherein when the display method of the user input is deletion;
the step of correspondingly displaying the needed associated information input by the user on the trend line interface according to the display method comprises the following steps:
and correspondingly displaying needed associated information input by a user on the trend line interface, and deleting the line segment of the trend line corresponding to the needed associated information.
15. The method of claim 10, wherein the preprocessing rules include an association mask;
before the step of displaying the trend line in a review mode, the method further comprises the following steps:
providing an associated shielding interface;
when a triggering instruction of the association shielding in the association shielding interface is detected, an association shielding sub-interface is provided for a user to input association information required by a target to be shielded;
The step of displaying the trend line in a review mode at a trend line interface comprises the following steps:
and reviewing the trend line interface after displaying the associated information required for shielding the target.
16. The method of claim 15, wherein the content of the association mask sub-interface includes at least one of motion disturbance, diagnosis and treatment information, and pathological events.
17. The method of claim 1, wherein generating a trend line corresponding to the physiological parameter measurement based on the second trend data, and after the step of displaying the trend line in a review of a trend line interface, further comprises:
providing a trend feature description interface;
when a trigger instruction of trend feature description in the trend feature description interface is detected, providing a trend feature description sub-interface for a user to input feature information to be described;
the characteristic information comprises at least one of a maximum parameter value, a minimum parameter value, a typical parameter value, a maximum continuous rising time of the parameter value and a fastest variation of the parameter value.
18. The method of reviewing a trend of a physiological parameter of claim 17, wherein the method of reviewing further comprises:
Providing a trend feature display interface;
when a triggering instruction of trend feature display in the trend feature display interface is detected, providing a trend feature display sub-interface for a user to input a feature display method of the required feature information, wherein the feature display method comprises at least one of newly built display area display, display on the line trend interface and corresponding marking on the trend line;
and correspondingly displaying the characteristic information on the trend line interface according to the characteristic display method.
19. The method of reviewing a trend of a physiological parameter of claim 17, wherein the method of reviewing further comprises:
and providing a waveform area interface for displaying the physiological parameter waveform corresponding to the characteristic information.
20. The method of claim 19, wherein the waveform zone interface is a region embedded in the trend line interface; or (b)
The waveform region interface is a separate interface from the trend line interface and may be suspended on or substituted for the trend line interface in response to an open command.
21. The method of claim 1, wherein generating a trend line corresponding to the physiological parameter measurement based on the second trend data, and after the step of displaying the trend line in a review of a trend line interface, further comprises:
Providing a trend comparison interface;
when a triggering instruction of trend comparison in the trend comparison interface is detected, providing a trend comparison sub-interface for a user to input a corresponding comparison rule;
and processing the trend line according to the comparison rule input by the user to obtain and display a comparison trend line.
22. The method of claim 21, wherein the display interface of the contrasting trend line is a separate interface from the trend line interface and is hoverable over or substituted for the trend line interface in response to an open command.
23. The method of claim 21, wherein the comparison rules include at least one of time period selection, arrangement, and comparison descriptions.
24. The method of claim 23, wherein the step of providing a trend comparison sub-interface for a user to input a corresponding comparison rule when a trigger instruction for trend comparison in the trend comparison interface is detected comprises:
and when a triggering instruction for selecting the time period in the trend comparison sub-interface is detected, providing a time period selection sub-interface for a user to input a required comparison starting point or comparison length.
25. The method of claim 23, wherein the step of providing a trend comparison sub-interface for a user to input a corresponding comparison rule when a trigger instruction for trend comparison in the trend comparison interface is detected comprises:
when the trigger instruction of the arrangement mode in the trend comparison sub-interface is detected, an arrangement mode sub-interface is provided for a user to input a required stacking, horizontal or vertical arrangement mode.
26. The method of claim 23, wherein the step of providing a trend comparison sub-interface for a user to input a corresponding comparison rule when a trigger instruction for trend comparison in the trend comparison interface is detected comprises:
when a trigger instruction of comparison description in the trend comparison sub-interface is detected, a comparison description sub-interface is provided for a user to input needed description information;
the description information comprises at least one of a maximum parameter value, a minimum parameter value, a typical parameter value, a maximum continuous rising time of the parameter value and a fastest variation of the parameter value.
27. The method of claim 26, wherein the comparative description sub-interface further comprises a reference waveform, and wherein the reference waveform corresponds to the description information.
28. The method of claim 1, wherein the trend line is displayed in a two-dimensional coordinate system with the horizontal axis being the time axis and the vertical axis being the data axis representing the physiological parameter.
29. A review device for trends in physiological parameters, the review device comprising:
the acquisition module is used for acquiring at least one physiological parameter measured value output by the monitor;
a first processing module for generating first trend data based on the physiological parameter measurements;
the second processing module is used for performing wild point elimination on the first trend data according to a preset preprocessing rule to obtain second trend data;
and the display module is used for generating a trend line corresponding to the physiological parameter measured value based on the second trend data and displaying the trend line in a review mode on a trend line interface.
30. The device for review of trends in physiological parameters of claim 29, wherein said pre-processing rules include at least one of signal quality, conventional filtering, template elimination, correlation masking, and manual operation.
31. The device for reviewing a trend of a physiological parameter of claim 29, wherein the device for reviewing further comprises:
And the association module is used for inputting needed association information by a user and correspondingly displaying the needed association information input by the user on the trend line interface.
32. The device for reviewing a trend of a physiological parameter of claim 29, wherein the device for reviewing further comprises:
the trend feature module is used for inputting feature information to be described by a user, wherein the feature information comprises at least one of a maximum parameter value, a minimum parameter value, a typical parameter value, a maximum continuous rising time of the parameter value and a fastest variation of the parameter value; and
the feature display method is used for inputting the needed feature information by a user and comprises at least one of newly built display area display, line trend interface display and corresponding marking on the trend line; and
and the characteristic information is correspondingly displayed on the trend line interface according to the characteristic display method.
33. The device for reviewing a trend of a physiological parameter of claim 29, wherein the device for reviewing further comprises:
the trend comparison module is used for inputting corresponding comparison rules according to a user, processing the trend lines according to the comparison rules input by the user, and obtaining and displaying comparison trend lines;
The comparison rule includes at least one of a period selection, an arrangement, and a comparison description.
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