CN104188652A - Real-time control method and system for electrocardiogram data quality - Google Patents
Real-time control method and system for electrocardiogram data quality Download PDFInfo
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Abstract
The invention relates to a real-time control method and system for electrocardiogram (ECG) data quality. The method includes the following steps that S1, ECG signals are collected; S2, whether all detection items of the ECG signals are abnormal or not is judged according to detection item judgment standards in an ECG data quality knowledge base, then whether the quality of the ECG signals reaches the standard or not is judged, if a certain detection item of the ECG signals is abnormal, the quality of the ECG signals is judged to be substandard, and the step S3 is executed; S3, collection of the ECG signals is stopped, the abnormal detection item and possible causes of the abnormal detection item are prompted, corresponding recommended measures are provided, and an audible alarm is given. The real-time control method for the electrocardiogram (ECG) data quality is accurate, simple, efficient and fast, when used in cooperation with a monitoring system, the real-time control method can achieve the ECG signal collecting function and the ECG data quality controlling function and ensure that all the monitored ECG signals are effective signals with the quality meeting the standard, and accuracy, effectiveness and practicability of the whole monitoring system are improved.
Description
Technical field
The present invention relates to Information Quality Control field, is real-time control method and the system thereof of a kind of electrocardiogram (ECG) quality of data specifically.
Background technology
Electrocardiogram (Electrocardiogram, ECG) is measured time dependent myocardial electrical signals, is the important evidence that judges the disease such as human health status and cardiovascular.Along with the development of Information & Communication Technology, cardioscribe monitoring equipment, because having simple, the easy to carry and lower-price characteristic of use, has been widely used in the daily of people and remote health monitoring field.
On market, the ingredient of the cardioscribe monitoring system of main flow comprises ECG data acquisition, ECG transfer of data, three modules of ECG date processing.Wherein, data acquisition module is directly contacted and is gathered ECG signal by crosslinking electrode and human body, data transmission module passes to the mobile devices such as smart mobile phone by technology such as bluetooths by the ECG signal collecting, and data processing module is processed, analyzes and diagnose the ECG data that receive.
Existing cardioscribe monitoring system is used for greatly individual or kinsfolk's daily healthy tracking and early warning, often collects in actual use a large amount of invalid ECG data, and its main cause is as follows:
1) user lacks relevant Professional knowledge and equipment use technical ability, and equipment using method is lack of standardization even incorrect;
2) in use, because user causes equipment working condition abnormal (coming off etc. as crosslinking electrode contacts with human body) in mobile status, and user is not discovered in time;
3) surrounding causes the interference noise that the ECG signal collecting contains larger proportion.
It is not up to standard that ECG invalidating signal is called again the quality of data of ECG signal, cannot make accurately and analysis and the diagnosis of science the health of heart situation of user according to these ECG signals.A large amount of low quality data not only reduces accuracy, effectiveness and the practicality of whole monitoring system, and the time and efforts of device resource and user has all been caused to larger waste.
Summary of the invention
Main purpose of the present invention is, for above-mentioned deficiency of the prior art, provides a kind of Electrocardiographic quality of data real-time control method and system thereof.
The present invention solves the technical scheme that prior art problem adopts: a kind of Electrocardiographic quality of data real-time control method, comprises the steps:
S1, gather ECG signal from acquisition target;
S2, according to detection criterion in ECG quality of data knowledge base detect judge ECG signal each detection whether extremely and then judge that whether the quality of ECG signal up to standard, if certain detection of ECG signal is abnormal, judge that ECG signal quality is not up to standard and enter step S3, if all detections of ECG signal are all normal, judge that EGC signal quality is up to standard;
S3, stop gathering ECG signal, point out abnormal detection, this check item to occur abnormal possible cause, and corresponding suggestion and measure is provided, simultaneously audible alarm.
Preferably, described detection comprises:
Detection K1, whether exist and there is no ECG signal, to should detection criterion being: in given time range, lead if single and can't detect ECG signal, be judged as this detection K1 abnormal;
Whether detection K2, ECG signal have serious disappearance, to should detection criterion being: in given time range, if the ECG signal deletion ratio of leading single exceedes threshold value, is judged as this detection K2 abnormal;
Whether detection K3, ECG signal are horizontal line in whole or in part, to should detection criterion being: within the regular hour, if the ECG signal detecting that leads single is horizontal line (having allowed noise slightly), is judged as this detection K3 abnormal;
Whether detection K4, ECG signal have larger fluctuating margin, to should detection criterion being: within the regular hour, if the fluctuating margin of the ECG signal that detects of leading single exceedes threshold value, is judged as this detection K4 abnormal;
Whether detection K5, signal have serious noise jamming, to should detection criterion being: within the regular hour, if the interference noise of the ECG signal that detects of leading single, higher than threshold value, is judged as this detection K5 abnormal;
Whether detection K6, ECG signal are not the mankind's ECG signals, to should detection criterion being: if the heart rate value of being derived by ECG signal has exceeded the scope of human heart rate, be judged as this detection K6 abnormal.
Preferably, described detection K1 occurs that abnormal possible cause is for the disappearance of leading, described detection K2 occurs that abnormal possible cause is that conducting wire disconnects or crosslinking electrode comes off, described detection K3 occurs that abnormal possible cause is crosslinking electrode and the loose contact of user limbs, described detection K4 occurs that abnormal possible cause is that crosslinking electrode comes off, conducting wire disconnects or serious baseline drift, described detection K5 occurs that abnormal possible cause is that power frequency is disturbed, and described detection K6 occurs that abnormal possible cause is non-human acquisition target.
Preferably, in the time that acquisition target is resting state:
Described step S1 is specially:
Continuous acquisition ECG signal, every t second is as a unit duration that gathers ECG signal;
Described step S2 is specially:
Whether the quality that detects the ECG signal gathering in previous unit duration according to the each detection in ECG quality of data knowledge base is up to standard, if certain detection of ECG signal is abnormal, judge that ECG signal quality is not up to standard and enter step S3, if all detections of ECG signal are all normal, judge that EGC signal quality is up to standard.
Preferably, in the time that acquisition target is kinestate:
Described step S1 is specially:
ECG signal of interval Yi Ge unit duration collection, each unit duration is t second;
Described step S2 specifically comprises:
S21, judge whether the time of current collection ECG reach a unit duration, if so, enter step S22, otherwise continue to gather;
Whether S22, to detect the quality of the ECG signal gathering in this unit duration according to the each detection in ECG quality of data knowledge base up to standard, if certain detection of ECG signal is abnormal, judge that ECG signal quality is not up to standard and enter step S3, if all detections of ECG signal are all normal, judge that EGC signal quality is up to standard.
A kind of Electrocardiographic quality of data real-time control system, comprises ECG signal acquisition module, an ECG data communication module, ECG data quality control module, ECG data management module, the 2nd ECG data communication module and ECG data processing module;
Wherein, described ECG signal acquisition module is for gathering ECG signal from acquisition target, the one ECG data communication module is for being sent to described ECG data quality control module by the ECG signal of collection, described ECG data quality control module detects to judge whether to exist does not have ECG signal, whether ECG signal lacks seriously, whether ECG signal is horizontal line in whole or in part, whether ECG signal has larger fluctuating margin, whether ECG signal has serious noise jamming, whether ECG signal is not the phenomenon of mankind ECG signal, if there is above-mentioned any one abnormal phenomena, judge that ECG signal quality is not up to standard, if all detections of ECG signal are all normal, judge that EGC signal quality is up to standard,
Described ECG data management module storage and manage described ECG signal, described the 2nd ECG data communication module is for being sent to described ECG data processing module by the result of ECG signal and described ECG data quality control module detection judgement, described ECG data processing module, for result described in described ECG signal is carried out to analyzing and processing, obtains occurring above-mentioned abnormal possible cause.
Preferably, described ECG signal acquisition module comprises the sensor electrode connecting successively, pre-amplification circuit, wave trap, second amplifying circuit, Anti-aliasing Filter Circuits, A/D change-over circuit and microcontroller, described sensor electrode is used for gathering ECG analogue signal, described pre-amplification circuit is for carrying out prime amplification to ECG analogue signal, described wave trap is for ECG analogue signal unwanted signals described in filtering, described second amplifying circuit is for carrying out secondary amplification to ECG analogue signal, described Anti-aliasing Filter Circuits is for carrying out anti-aliasing filtering processing to described ECG analogue signal, described A/D change-over circuit is for converting described ECG analogue signal to ECG digital signal, described microcontroller is used for controlling an ECG data communication module and sends ECG digital signal to described ECG data quality control module.
Preferably, a described ECG data communication module is bluetooth module, and described the 2nd ECG data communication module is any one in WIFI module, gsm module, 3G module and 4G module.
The invention has the beneficial effects as follows: the ECG data assure quality real time method that the present invention proposes accurately, simply, efficiently, fast, under being used in conjunction with its monitoring system, can realize ecg signal acquiring function and ECG data Quality Control Function simultaneously, guarantee that monitored electrocardiosignal is all the useful signal of requisite quality, improve accuracy, effectiveness and the practicality of whole monitoring system.
Brief description of the drawings
Fig. 1 is the flow chart of embodiment of the present invention method;
Fig. 2 is the flow chart that in embodiment of the present invention method, detection detects;
Fig. 3 is the flow chart of one embodiment of the invention method;
Fig. 4 is the flow chart of another embodiment of the present invention method;
Fig. 5 is the functional-block diagram of embodiment of the present invention system;
Realization, functional characteristics and the advantage of the object of the invention, in connection with embodiment, are described further with reference to accompanying drawing.
Detailed description of the invention
Describe technical scheme of the present invention in detail below with reference to drawings and the specific embodiments, so as clearer, understand invention essence of the present invention intuitively.
Shown in Fig. 1, the invention provides a kind of Electrocardiographic quality of data real-time control method, comprise the steps:
S1, gather ECG signal from acquisition target;
S2, according to detection criterion in ECG quality of data knowledge base detect judge ECG signal each detection whether extremely and then judge that whether the quality of ECG signal up to standard, if certain detection of ECG signal is abnormal, judge that ECG signal quality is not up to standard and enter step S3, if all detections of ECG signal are all normal, judge that EGC signal quality is up to standard;
S3, stop gathering ECG signal, point out abnormal detection, this check item to occur abnormal possible cause, and corresponding suggestion and measure is provided, simultaneously audible alarm.
In a specific embodiment of the present invention, above-mentioned detection can comprise detection K1, detection K2, detection K3, detection K4, detection K5, detection K6.
Concrete, detection K1: whether exist and there is no ECG signal, to should detection criterion being: in given time range, lead if single and can't detect ECG signal, be judged as this detection K1 abnormal; To occurring that abnormal possible cause is for the disappearance of leading by detection.
Whether detection K2:ECG signal has serious disappearance, to should detection criterion being: in given time range, if the ECG signal deletion ratio of leading single exceedes threshold value, is judged as this detection K2 abnormal; To occurring that abnormal possible cause is that conducting wire disconnects or crosslinking electrode comes off by detection.
Whether detection K3:ECG signal is horizontal line in whole or in part, to should detection criterion being: within the regular hour, if the ECG signal detecting that leads single is horizontal line (having allowed noise slightly), is judged as this detection K3 abnormal; To occurring that abnormal possible cause is crosslinking electrode and the loose contact of user limbs by detection.
Whether detection K4:ECG signal has larger fluctuating margin, to should detection criterion being: within the regular hour, if the fluctuating margin of the ECG signal that detects of leading single exceedes threshold value, is judged as this detection K4 abnormal; To occurring that abnormal possible cause is that crosslinking electrode comes off, conducting wire disconnects or serious baseline drift by detection.
Detection K5: whether signal has serious noise jamming, to should detection criterion being: within the regular hour, if the interference noise of the ECG signal that detects of leading single, higher than threshold value, is judged as this detection K5 abnormal; To occurring that abnormal possible cause is that power frequency is disturbed by detection K5.
Whether detection K6:ECG signal is not the mankind's ECG signal, to should detection criterion being: if the heart rate value of being derived by ECG signal has exceeded the scope of human heart rate, be judged as this detection K6 abnormal.To occurring that abnormal possible cause is non-human acquisition target by detection K6.
Shown in Fig. 2, in a preferred embodiment of the invention, above-mentioned detection K1 is to detection K6 detection successively in order, detect successively to judge whether to exist and there is no ECG signal, whether ECG signal lacks seriously, whether ECG signal is horizontal line in whole or in part, whether ECG signal has larger fluctuating margin, whether ECG signal has serious noise jamming, whether ECG signal is not the phenomenon of mankind ECG signal, if there is above-mentioned any one abnormal phenomena, judge that ECG signal quality is not up to standard, if all detections of ECG signal are all normal, judge that EGC signal quality is up to standard.In the time judging that ECG signal quality is not up to standard, stop gathering ECG signal, point out abnormal detection, this check item to occur abnormal possible cause, and corresponding suggestion and measure is provided, simultaneously audible alarm.
Shown in Fig. 3, the embodiment of the present invention provides a kind of Electrocardiographic quality of data real-time control method, and the method is applicable to the real-time control of acquisition target under remaining static.Specifically comprise step:
Step S101, continuous acquisition ECG signal, in an example, t can be 10 seconds as a unit duration that gathers ECG signal second for every t;
Whether step S102, to detect the quality of the ECG signal that (first 10 seconds) in previous unit duration gather according to the each detection in ECG quality of data knowledge base up to standard, if certain detection of ECG signal is abnormal, judge that ECG signal quality is not up to standard and enter step S3, if all detections of ECG signal are all normal, judge that EGC signal quality is up to standard.The concrete testing process of each detection is as described in above-mentioned Fig. 2, and therefore not to repeat here.
Step S103, stop gathering ECG signal, point out abnormal detection, this check item to occur abnormal possible cause, and corresponding suggestion and measure is provided, simultaneously audible alarm.
Shown in Fig. 4, the embodiment of the present invention provides a kind of Electrocardiographic quality of data real-time control method, and the method is applicable to the real-time control of acquisition target under being kept in motion.Specifically comprise step:
Step S201, ECG signal of interval Yi Ge unit duration collection, each unit duration is t second, in an example, t can be 10 seconds;
Step S202, judge whether the time of current collection ECG reach a unit duration, if so, enter step S203, otherwise continue to gather;
Whether S203, to detect the quality of the ECG signal gathering in this unit duration according to the each detection in ECG quality of data knowledge base up to standard, if certain detection of ECG signal is abnormal, judge that ECG signal quality is not up to standard and enter step S204, if all detections of ECG signal are all normal, judge that EGC signal quality is up to standard.The concrete testing process of each detection is as described in above-mentioned Fig. 2, and therefore not to repeat here.
Step S204, stop gathering ECG signal, point out abnormal detection, this check item to occur abnormal possible cause, and corresponding suggestion and measure is provided, simultaneously audible alarm.
To sum up, the ECG data assure quality real time method that the present invention proposes accurately, simply, efficiently, fast, under being used in conjunction with its monitoring system, can realize ecg signal acquiring function and ECG data Quality Control Function simultaneously, guarantee that monitored electrocardiosignal is all the useful signal of requisite quality, improve accuracy, effectiveness and the practicality of whole monitoring system.
Shown in Fig. 5, the embodiment of the present invention provides a kind of Electrocardiographic quality of data real-time control system, comprises ECG signal acquisition module, an ECG data communication module, ECG data quality control module, ECG data management module, the 2nd ECG data communication module and ECG data processing module;
Wherein, ECG signal acquisition module in system foremost, for gather ECG signal from acquisition target.The one ECG data communication module is responsible for the data communication between ECG signal acquisition module and ECG data quality control module, general, jointly formed by the bluetooth module that is positioned at the bluetooth module in acquisition module and be positioned in smart mobile phone, for the ECG signal of collection being sent to described ECG data quality control module.Described ECG data quality control module generally can be arranged in smart mobile phone, ECG quality of data real-time control method is equipped with, there is no ECG signal for detection of judging whether to exist, whether ECG signal lacks seriously, whether ECG signal is horizontal line in whole or in part, whether ECG signal has larger fluctuating margin, whether ECG signal has serious noise jamming, whether ECG signal is not the phenomenon of mankind ECG signal, if there is above-mentioned any one abnormal phenomena, judge that ECG signal quality is not up to standard, if all detections of ECG signal are all normal, judge that EGC signal quality is up to standard.
ECG data management module is generally arranged in smart mobile phone, based on SQLite data base management system, has the storage of ECG data, inquires about, uploads and the function such as ECG Data Format Transform, is mainly used in storage and manages described ECG signal.The 2nd ECG data communication module is responsible for the data communication between ECG data management module and ECG data processing module, for the result of ECG signal and described ECG data quality control module detection judgement is sent to described ECG data processing module.ECG data processing module is generally positioned at remote terminal (being generally high-performance computer or work station), there is ECG processing, analysis and the diagnostic function of advanced person, complexity, be mainly used in result described in described ECG signal to carry out analyzing and processing, obtain occurring above-mentioned abnormal possible cause etc.
In a specific embodiment of the present invention, ECG signal acquisition module comprises the sensor electrode connecting successively, pre-amplification circuit, wave trap, second amplifying circuit, Anti-aliasing Filter Circuits, A/D change-over circuit and microcontroller, described sensor electrode is used for gathering ECG analogue signal, described pre-amplification circuit is for carrying out prime amplification to ECG analogue signal, described wave trap is for ECG analogue signal unwanted signals described in filtering, described second amplifying circuit is for carrying out secondary amplification to ECG analogue signal, described Anti-aliasing Filter Circuits is for carrying out anti-aliasing filtering processing to described ECG analogue signal, described A/D change-over circuit is for converting described ECG analogue signal to ECG digital signal, described microcontroller is used for controlling an ECG data communication module and sends ECG digital signal to described ECG data quality control module.
Be understandable that, an ECG data communication module is bluetooth module, and described the 2nd ECG data communication module is any one in WIFI module, gsm module, 3G module and 4G module.
The ECG data assure quality real time system that the present invention proposes accurately, simply, efficiently, fast, under being used in conjunction with its monitoring system, can realize ecg signal acquiring function and ECG data Quality Control Function simultaneously, guarantee that monitored electrocardiosignal is all the useful signal of requisite quality, improve accuracy, effectiveness and the practicality of whole monitoring system.
The foregoing is only the preferred embodiments of the present invention; not thereby limit its scope of the claims; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention and accompanying drawing content to do; directly or indirectly be used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. an Electrocardiographic quality of data real-time control method, is characterized in that, comprises the steps:
S1, gather ECG signal from acquisition target;
S2, according to detection criterion in ECG quality of data knowledge base detect judge ECG signal each detection whether extremely and then judge that whether the quality of ECG signal up to standard, if certain detection of ECG signal is abnormal, judge that ECG signal quality is not up to standard and enter step S3, if all detections of ECG signal are all normal, judge that EGC signal quality is up to standard;
S3, stop gathering ECG signal, point out abnormal detection, this check item to occur abnormal possible cause, and corresponding suggestion and measure is provided, simultaneously audible alarm.
2. Electrocardiographic quality of data real-time control method according to claim 1, is characterized in that, described detection comprises:
Detection K1, whether exist and there is no ECG signal, to should detection criterion being: in given time range, lead if single and can't detect ECG signal, be judged as this detection K1 abnormal;
Whether detection K2, ECG signal have serious disappearance, to should detection criterion being: in given time range, if the ECG signal deletion ratio of leading single exceedes threshold value, is judged as this detection K2 abnormal;
Whether detection K3, ECG signal are horizontal line in whole or in part, to should detection criterion being: within the regular hour, if the ECG signal detecting that leads single is horizontal line (having allowed noise slightly), is judged as this detection K3 abnormal;
Whether detection K4, ECG signal have larger fluctuating margin, to should detection criterion being: within the regular hour, if the fluctuating margin of the ECG signal that detects of leading single exceedes threshold value, is judged as this detection K4 abnormal;
Whether detection K5, signal have serious noise jamming, to should detection criterion being: within the regular hour, if the interference noise of the ECG signal that detects of leading single, higher than threshold value, is judged as this detection K5 abnormal;
Whether detection K6, ECG signal are not the mankind's ECG signals, to should detection criterion being: if the heart rate value of being derived by ECG signal has exceeded the scope of human heart rate, be judged as this detection K6 abnormal.
3. Electrocardiographic quality of data real-time control method according to claim 2, it is characterized in that, described detection K1 occurs that abnormal possible cause is for the disappearance of leading, described detection K2 occurs that abnormal possible cause is that conducting wire disconnects or crosslinking electrode comes off, described detection K3 occurs that abnormal possible cause is crosslinking electrode and the loose contact of user limbs, described detection K4 occurs that abnormal possible cause is that crosslinking electrode comes off, conducting wire disconnects or serious baseline drift, described detection K5 occurs that abnormal possible cause is that power frequency is disturbed, described detection K6 occurs that abnormal possible cause is non-human acquisition target.
4. Electrocardiographic quality of data real-time control method according to claim 1, is characterized in that, in the time that acquisition target is resting state:
Described step S1 is specially:
Continuous acquisition ECG signal, every t second is as a unit duration that gathers ECG signal;
Described step S2 is specially:
Whether the quality that detects the ECG signal gathering in previous unit duration according to the each detection in ECG quality of data knowledge base is up to standard, if certain detection of ECG signal is abnormal, judge that ECG signal quality is not up to standard and enter step S3, if all detections of ECG signal are all normal, judge that EGC signal quality is up to standard.
5. Electrocardiographic quality of data real-time control method according to claim 1, is characterized in that, in the time that acquisition target is kinestate:
Described step S1 is specially:
ECG signal of interval Yi Ge unit duration collection, each unit duration is t second;
Described step S2 specifically comprises:
S21, judge whether the time of current collection ECG reach a unit duration, if so, enter step S22, otherwise continue to gather;
Whether S22, to detect the quality of the ECG signal gathering in this unit duration according to the each detection in ECG quality of data knowledge base up to standard, if certain detection of ECG signal is abnormal, judge that ECG signal quality is not up to standard and enter step S3, if all detections of ECG signal are all normal, judge that EGC signal quality is up to standard.
6. an Electrocardiographic quality of data real-time control system, it is characterized in that, comprise ECG signal acquisition module, an ECG data communication module, ECG data quality control module, ECG data management module, the 2nd ECG data communication module and ECG data processing module;
Wherein, described ECG signal acquisition module is for gathering ECG signal from acquisition target, the one ECG data communication module is for being sent to described ECG data quality control module by the ECG signal of collection, described ECG data quality control module detects to judge whether to exist does not have ECG signal, whether ECG signal lacks seriously, whether ECG signal is horizontal line in whole or in part, whether ECG signal has larger fluctuating margin, whether ECG signal has serious noise jamming, whether ECG signal is not the phenomenon of mankind ECG signal, if there is above-mentioned any one abnormal phenomena, judge that ECG signal quality is not up to standard, if all detections of ECG signal are all normal, judge that EGC signal quality is up to standard,
Described ECG data management module storage and manage described ECG signal, described the 2nd ECG data communication module is for being sent to described ECG data processing module by the result of ECG signal and described ECG data quality control module detection judgement, described ECG data processing module, for result described in described ECG signal is carried out to analyzing and processing, obtains occurring above-mentioned abnormal possible cause.
7. Electrocardiographic quality of data real-time control system according to claim 6, it is characterized in that, described ECG signal acquisition module comprises the sensor electrode connecting successively, pre-amplification circuit, wave trap, second amplifying circuit, Anti-aliasing Filter Circuits, A/D change-over circuit and microcontroller, described sensor electrode is used for gathering ECG analogue signal, described pre-amplification circuit is for carrying out prime amplification to ECG analogue signal, described wave trap is for ECG analogue signal unwanted signals described in filtering, described second amplifying circuit is for carrying out secondary amplification to ECG analogue signal, described Anti-aliasing Filter Circuits is for carrying out anti-aliasing filtering processing to described ECG analogue signal, described A/D change-over circuit is for converting described ECG analogue signal to ECG digital signal, described microcontroller is used for controlling an ECG data communication module and sends ECG digital signal to described ECG data quality control module.
8. Electrocardiographic quality of data real-time control system according to claim 6, it is characterized in that, a described ECG data communication module is bluetooth module, and described the 2nd ECG data communication module is any one in WIFI module, gsm module, 3G module and 4G module.
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