CN103735259B - Electrocardio signal quality determination indication method and system - Google Patents
Electrocardio signal quality determination indication method and system Download PDFInfo
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Abstract
The invention relates to an electrocardio signal quality determination indication method and system. The method comprises collecting human body electrocardio signals through electrodes to obtain electrocardio waveforms of corresponding leads of all physiological electrodes and the noise type and noise strength; determining the signal quality of each lead according to the noise strength of each lead, and setting sub-lead signal quality zone bits; determining the main lead signal quality according to the sub-lead signal quality zone bits and setting the main lead signal quality zone bit; setting signal quality color indication zone bits according to the main lead signal quality zone bit and setting indication signal quality signal lamps. By means of the method and the system, users can determine whether the collected electrocardio signal quality is good, and accordingly, the work efficiency of electrocardiographic examination is improved.
Description
Technical field
the present invention relates to a kind of method that signal quality judges instruction, particularly relate to the method and system of a kind of electrocardiosignal Quality estimation instruction.
Background technology
electrocardiograph is as the embedded diagnostic medical device of electrocardiographic examination, gathering the electrocardiosignal obtaining patient is the most basic clinical requirement of electrocardiograph, and the quality of electrocardiosignal quality directly has influence on waveform aesthetic property, readability and analyticity in electrocardiogram report, the optimum waveform meeting clinical diagnosis requirement requires do not have noisy or disturb very little.But in the process of actual acquisition electrocardiosignal, the bad phenomenon of the activity of patient and the non-effective signal of telecommunication of external environment condition are easy to introduce that interference causes the baseline drift of patient's ecg wave form, burr many etc. signal quality occurs.Absent minded so as user, gather print before do not observe ecg wave form whether good time, just be easy to collect the bad waveform of signal quality in Electrocardioscopy process, and user is when ecg analysis is diagnosed, waveform quality is required it is higher, in this case, user needs the measured waveform of Resurvey matter and again prints electrocardiogram report, loses time very much and electrocardiogram paper.Therefore, under the clinical practice background of reality, before realizing printing electrocardiogram report, automatic decision instruction electrocardiosignal quality has great clinical meaning to the work efficiency improving user.
at present, existing electrocardiograph equipment does not possess the function of electrocardiosignal Quality estimation and instruction, the electrocardiosignal quality gathered carrys out visually-perceptible by the clinical experience of user completely, when the lacking experience or lack attention of user, the ecg wave form collecting poor quality is easy in the clinical practice of reality, and any warning prompt was not provided yet before the report of printing electrocardiogram, the electrocardiogram report often causing user to be printed does not meet clinical diagnosis and requires, in this case, user can only Resurvey and again print electrocardiogram report, operation repeats and waste paper, efficient work and cost-effective user's request cannot be met.
Summary of the invention
the technical problem to be solved in the present invention be to provide a kind of can according to the electrocardiosignal gathered, the quality of automatic decision electrocardiosignal, and to the method that it indicates; Namely a kind of method that electrocardiosignal Quality estimation indicates is provided.
a method for electrocardiosignal Quality estimation instruction, comprises the following steps:
step S1, starts electrocardiograph, carries out Initialize installation to electrocardiograph, and arranges a point lead signals quality mark position, total lead signals quality mark position and signal quality color Warning Mark position; Described Initialize installation comprises and carries out Initialize installation to each lead signals quality type and total lead signals quality type;
step S2, gathers human ecg signal by multiple electrode, obtains the ecg wave form led that each physiological electrode is corresponding, detect the noise of the electrocardiosignal that each leads, and obtain its noise type and noise intensity; Wherein noise intensity comprises strong, general and weak;
step S3, judges each signal quality led according to each noise intensity of leading, and arranges a point indicator of signal quality position of leading; When the noise intensity on certain leads is weak, then a corresponding point lead signals quality is strong, and it is good that the indicator of signal quality position that this point leads is set to signal quality; When the noise intensity on certain leads is strong, then a corresponding point lead signals quality is weak, and it is weak that the indicator of signal quality position that this point leads is set to signal quality;
step S4, according to a point indicator of signal quality position of leading, judges the signal quality always led, and arranges total lead signals quality mark position; When there being a point lead signals quality mark position over half to be poor signal quality during all points are led, then judging that the signal quality type of always leading is poor signal quality, total lead signals quality mark position being set to poor signal quality simultaneously; When all points of indicator of signal quality positions of leading be signal quality good time, then judge that the signal quality type of always leading is that signal quality is good, total lead signals quality mark position be set to signal quality good simultaneously; One or more are had in leading when all points, and fewer than half a point lead signals quality mark position is when being poor signal quality, then judge that the signal quality type of always leading is that signal quality is general, total lead signals quality mark position is set to signal quality general simultaneously;
step S5, according to total lead signals quality mark position, arranges signal quality color Warning Mark position, and arranges the signal lights of index signal quality; When total lead signals quality mark position is poor signal quality, then signal quality color Warning Mark position is set to redness, the signal lights of its corresponding index signal quality is then also designated as redness; When total lead signals quality mark position be signal quality general time, then signal quality color Warning Mark position is set to yellow, the signal lights of its corresponding index signal quality is then also designated as yellow; When total lead signals quality mark position be signal quality good time, then signal quality color Warning Mark position is set to green, the signal lights of its corresponding index signal quality is then also designated as green.Further, the method for described a kind of electrocardiosignal Quality estimation instruction, also comprises:
further, also comprise step S6, trigger cardiac figure print command, electrocardiograph, according to signal quality color Warning Mark position, judges whether to allow to print; When electrocardiogram machine testing is green to signal quality color Warning Mark position, then allow to print; When electrocardiogram machine testing is yellow or red to signal quality color Warning Mark position, does not then allow to print, and provide the ropy information of electrocardiosignal.
further, the noise type in described step S2 comprises baseline drift; When noise type is baseline drift, then determine the intensity of its noise according to baseline drift amplitude of leading; When baseline drift amplitude of leading is less than baseline drift the first amplitude threshold, then this noise intensity is weak; When baseline drift amplitude of leading is more than or equal to baseline drift first amplitude threshold, and when being less than baseline drift the second amplitude threshold, then this noise intensity is general; When baseline drift amplitude of leading is more than or equal to baseline drift the second amplitude threshold, then this noise intensity is strong.
further, the noise type in described step S2 comprises Hz noise; When noise type is Hz noise, then determine the intensity of its noise according to Hz noise amplitude of leading; When Hz noise amplitude of leading is less than Hz noise the first amplitude threshold, then this noise intensity is weak; When Hz noise amplitude of leading is more than or equal to Hz noise first amplitude threshold, and when being less than Hz noise the second amplitude threshold, then this noise intensity is general; When Hz noise amplitude of leading is more than or equal to Hz noise the second amplitude threshold, then this noise intensity is strong.
further, the noise type in described step S2 comprises myoelectricity interference; When noise type is myoelectricity interference, then determine the intensity of its noise according to myoelectricity interference magnitude of leading; When myoelectricity interference magnitude of leading be less than myoelectricity disturb the first amplitude threshold time, then this noise intensity is weak; Disturb the first amplitude threshold when myoelectricity interference magnitude of leading is more than or equal to myoelectricity, and be less than myoelectricity when disturbing the second amplitude threshold, then this noise intensity is general; When myoelectricity interference magnitude of leading be more than or equal to myoelectricity disturb the second amplitude threshold time, then this noise intensity is strong.
a system for electrocardiosignal Quality estimation instruction, comprises system initialization setting unit, ecg signal acquiring and analytic unit, point lead signals Quality estimation unit, total lead signals Quality estimation unit and color instruction setting unit; Described system initialization setting unit, for carrying out Initialize installation to electrocardiograph, comprising and carrying out Initialize installation to each lead signals quality type and total lead signals quality type; Described ecg signal acquiring and analytic unit are connected with described system initialization setting unit, for gathering human ecg signal, and the signal noise type that acquisition electrocardiosignal is respectively led and noise intensity; Described point of lead signals Quality estimation unit is connected with described ecg signal acquiring and analytic unit, for judging the signal quality respectively led according to the noise intensity of respectively leading, and arranges a point indicator of signal quality position of leading; Total lead signals Quality estimation unit is connected with described point of lead signals Quality estimation unit, for according to a point indicator of signal quality position of leading, judges the signal quality always led, and arranges total lead signals quality mark position; Described color instruction setting unit is connected with described total lead signals Quality estimation unit, for according to total lead signals quality mark position, arranges, and arrange the signal lights of index signal quality signal quality color Warning Mark position.
improve as one, the system of described a kind of electrocardiosignal Quality estimation instruction, also comprises printing judging unit; Described printing judging unit and described color indicate setting unit to be connected, and for trigger cardiac figure print command, and according to signal quality color Warning Mark position, judge whether to print.
improve as one, described printing judging unit comprises printing trigger module and judging unit module; Described printing trigger module, for the print command of trigger cardiac figure; Described judging unit module is connected with described printing trigger module, for according to signal quality color Warning Mark position, judges whether to print.
improve as one, described ecg signal acquiring and analytic unit comprise ecg signal acquiring module and ECG Signal Analysis module; Described ecg signal acquiring module, for gathering human ecg signal, obtains the ecg wave form respectively led; Described ECG Signal Analysis module is connected with described ecg signal acquiring module, for according to the ecg wave form respectively led, obtains the signal noise type and noise intensity of respectively leading.
the method and system providing a kind of electrocardiosignal Quality estimation to indicate of the present invention, user can judge that whether the quality of the electrocardiosignal gathered is good quickly, thus improves the work efficiency of Electrocardioscopy; When electrocardiosignal is of poor quality, electrocardiogram report can not be printed when user triggers printing key, thus just find poor signal quality after efficiently avoid printing, and make the problem needing Resurvey electrocardiogram (ECG) data, and save time, raise the efficiency.When electrocardiosignal runs into interference, the noise type of current interference can also be judged rapidly, intuitively, locate noise source and intensity exactly, within the shorter time, eliminate interference, return to the collection of desirable ecg wave form; Thus simplified operating process widely, save the review time, save paper cost, allow user use convenient, make design hommization more.
Accompanying drawing explanation
for ease of illustrating, the present invention is described in detail by following detailed description of the invention and accompanying drawing.
fig. 1 is a kind of electrocardiosignal Quality estimation of the present invention indicating means flow chart;
fig. 2 is a kind of electrocardiosignal Quality estimation of the present invention indicating means particular flow sheet;
fig. 3 is the system schematic of a kind of electrocardiosignal Quality estimation of the present invention indicating means;
fig. 4 is the concrete schematic diagram of system of a kind of electrocardiosignal of the present invention Quality estimation indicating means.
Detailed description of the invention
in order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.
please refer to Fig. 1, the invention provides a kind of electrocardiosignal Quality estimation indicating means, main following steps:
step 101, opens electrocardiograph, carries out Initialize installation to system.
detailed process is: detailed process is: electrocardiograph starts, Initialize installation is carried out to electrocardiograph, comprise and Initialize installation is carried out to each lead signals quality type and total lead signals quality type, and a point lead signals quality mark position, total lead signals quality mark position and signal quality color Warning Mark position are set; Wherein a point lead signals quality mark position is each signal quality type of leading of mark; Its point of lead signals quality type comprises that signal quality is good, signal quality general and poor signal quality; Its total lead signals quality mark position is all signal quality types of leading of mark; Its total lead signals quality type comprises that signal quality is good, signal quality is general and poor signal quality; Signal quality color Warning Mark position indicates the signal quality quality of always leading, and signal quality color type comprises green, yellow, redness; If the signal quality wherein always led well, signal quality color Warning Mark position is green, if the poor signal quality of always leading, signal quality color Warning Mark position is red; After electrocardiograph is opened, it is good that point lead signals quality type and total lead signals quality type are all defaulted as signal quality, and waveform quality color Warning Mark position is defaulted as green.
step 102, gathers electrocardiosignal, detects the signal noise that each leads.
detailed process is: be connected with human body by multiple physiological electrode, gathers the electrocardiosignal of human body, obtains the ecg wave form led that each physiological electrode is corresponding; Analysis is carried out to each signal noise of leading and obtains its signal noise type, and judge its noise intensity according to signal noise type; Wherein noise type comprises baseline drift, Hz noise and myoelectricity interference; Noise intensity comprises strong, general and weak.
when the signal noise type analyzed is baseline drift, then determine the intensity of its noise according to baseline drift amplitude of leading; When baseline drift amplitude of leading is less than baseline drift first amplitude threshold BW1, then this noise intensity is weak; When baseline drift amplitude of leading is more than or equal to baseline drift first amplitude threshold BW1, and when being less than baseline drift second amplitude threshold BW2, then this noise intensity is general; When baseline drift amplitude of leading is more than or equal to baseline drift second amplitude threshold BW2, then this noise intensity is strong.
when the signal noise type analyzed is Hz noise, then determine the intensity of its noise according to Hz noise amplitude of leading; When Hz noise amplitude of leading is less than Hz noise first amplitude threshold AC1, then this noise intensity is weak; When Hz noise amplitude of leading is more than or equal to Hz noise first amplitude threshold AC1, and when being less than Hz noise second amplitude threshold AC2, then this noise intensity is general; When Hz noise amplitude of leading is more than or equal to Hz noise second amplitude threshold AC2, then this noise intensity is strong.
when the signal noise type analyzed is myoelectricity interference, then determine the intensity of its noise according to myoelectricity interference magnitude of leading; When myoelectricity interference magnitude of leading be less than myoelectricity disturb the first amplitude threshold EMG1 time, then this noise intensity is weak; Disturb the first amplitude threshold EMG1 when myoelectricity interference magnitude of leading is more than or equal to myoelectricity, and be less than myoelectricity when disturbing the second amplitude threshold EMG2, then this noise intensity is general; When myoelectricity interference magnitude of leading be more than or equal to myoelectricity disturb the second amplitude threshold EMG2 time, then this noise intensity is strong.
step 103, judges each signal quality led according to each noise intensity of leading, and arranges a point indicator of signal quality position of leading.
detailed process is: judge each signal quality led according to each noise intensity of leading, and arranges a point indicator of signal quality position of leading; When the noise intensity on certain leads is weak, then corresponding lead signals quality is strong, then divide the indicator of signal quality position of leading to be set to signal quality good; When the noise intensity on certain leads is general, then corresponding lead signals quality is general, then divide the indicator of signal quality position of leading to be set to signal quality general; When the noise intensity on certain leads is strong, then corresponding lead signals quality is weak, then divide the indicator of signal quality position of leading to be set to signal quality weak; Successively the indicator of signal quality position that each leads is arranged; If wherein each lead on ECG signal sampling go out signal noise, no matter then it is the signal noise of what type, all judge the quality of lead signals according to the noise intensity of respective signal noise.
step 104, according to a point indicator of signal quality position of leading, judges the signal quality always led, and arranges total lead signals quality mark position.
detailed process is: according to a point indicator of signal quality position of leading, judge the signal quality always led; When there being a point lead signals quality mark position over half to be poor signal quality during all points are led, then judging that the signal quality type of always leading is poor signal quality, total lead signals quality mark position being set to poor signal quality simultaneously; When all points of indicator of signal quality positions of leading be signal quality good time, then judge that the signal quality type of always leading is that signal quality is good, total lead signals quality mark position be set to signal quality good simultaneously; Have in leading when all points one and more than, and point lead signals quality mark position being less than half is when being poor signal quality, then judge that the signal quality type of always leading is that signal quality is general, total lead signals quality mark position is set to signal quality general simultaneously.
step 105, according to total lead signals quality mark position, is arranged signal quality color Warning Mark position.
detailed process is: when total lead signals quality mark position is poor signal quality, then signal quality color Warning Mark position is set to redness, the signal lights of its corresponding index signal quality is then also designated as redness; When total lead signals quality mark position be signal quality general time, then signal quality color Warning Mark position is set to yellow, the signal lights of its corresponding index signal quality is then also designated as yellow; When total lead signals quality mark position be signal quality good time, then signal quality color Warning Mark position is set to green, the signal lights of its corresponding index signal quality is then also designated as green.
please refer to Fig. 2, the invention provides a kind of electrocardiosignal Quality estimation indicating means, further comprising the steps of:
step 106, trigger cardiac figure print command, electrocardiograph, according to signal quality color Warning Mark position, judges whether to allow to print.
detailed process is: when trigger cardiac figure print command, electrocardiograph, according to signal quality color Warning Mark position, judges whether to print.When electrocardiogram machine testing is green to signal quality color Warning Mark position, then electrocardiogram report is printed, when electrocardiogram machine testing is yellow or red to signal quality color Warning Mark position, does not then allow to print, and provide the ropy information of electrocardiosignal.
please refer to Fig. 2, the invention provides the system of a kind of electrocardiosignal Quality estimation instruction, mainly comprise system initialization setting unit 21, ecg signal acquiring and analytic unit 22, point lead signals Quality estimation unit 23, total lead signals Quality estimation unit 24, color instruction setting unit 25 and print judging unit 26; Described system initialization setting unit 21, for carrying out Initialize installation to electrocardiograph, comprising and carrying out Initialize installation to each lead signals quality type and total lead signals quality type; Described ecg signal acquiring and analytic unit 22 are connected with described system initialization setting unit 21, for gathering electrocardiosignal, and analyzing the signal noise of respectively leading of electrocardiosignal, obtaining its signal noise type and noise intensity; Described point of lead signals Quality estimation unit 23 is connected with described ecg signal acquiring and analytic unit 22, for judging the signal quality respectively led according to the noise intensity of respectively leading, and arranges a point indicator of signal quality position of leading; Total lead signals Quality estimation unit 24 is connected with described point of lead signals Quality estimation unit 23, for according to a point indicator of signal quality position of leading, judges the signal quality always led; When there being a point lead signals quality mark position over half to be poor signal quality during all points are led, then judging that the signal quality type of always leading is poor signal quality, total lead signals quality mark position being set to poor signal quality simultaneously; When all points of indicator of signal quality positions of leading be signal quality good time, then judge that the signal quality type of always leading is that signal quality is good, total lead signals quality mark position be set to signal quality good simultaneously; Have in leading when all points one and more than, and point lead signals quality mark position being less than half is when being poor signal quality, then judge that the signal quality type of always leading is that signal quality is general, total lead signals quality mark position is set to signal quality general simultaneously.Described color instruction setting unit 25 is connected with described total lead signals Quality estimation unit 24, for according to total lead signals quality mark position, arranges signal quality color Warning Mark position; When total lead signals quality mark position is poor signal quality, then signal quality color Warning Mark position is set to redness, the signal lights of its corresponding index signal quality is then also designated as redness; When total lead signals quality mark position be signal quality general time, then signal quality color Warning Mark position is set to yellow, the signal lights of its corresponding index signal quality is then also designated as yellow; When total lead signals quality mark position be signal quality good time, then signal quality color Warning Mark position is set to green, the signal lights of its corresponding index signal quality is then also designated as green.Described printing judging unit 26 and described color indicate setting unit 25 to be connected, and for trigger cardiac figure print command, and according to signal quality color Warning Mark position, judge whether to print.
please refer to Fig. 3, the invention provides the system of a kind of electrocardiosignal Quality estimation instruction, wherein said ecg signal acquiring and analytic unit 22 comprise ecg signal acquiring module 221 and ECG Signal Analysis module 222; Described ecg signal acquiring module 221, for gathering human ecg signal, obtains the ecg wave form respectively led; Described ECG Signal Analysis module 222 is connected with described ecg signal acquiring module 221, for according to the ecg wave form respectively led, carries out analysis obtain its signal noise type and noise intensity to the signal noise of respectively leading.Described printing judging unit 26 comprises printing trigger module 261 and judging unit module 262; Described printing trigger module 261, for the print command of trigger cardiac figure; Described judging unit module 262 is connected with described printing trigger module 261, for according to signal quality color Warning Mark position, judges whether to print.
the method and system of a kind of electrocardiosignal Quality estimation instruction of the present invention, when all electrocardiosignal quality of leading are good, when namely total lead signals quality is good, then display lamp is designated as green, and now user prints electrocardiogram report; When total lead signals quality is general, then display lamp is designated as yellow, represents that the electrocardiogram (ECG) data of current collection exists interference, and user needs to close whether injecting electrode connects, the whether nervous equiprobable interference factor of patient; When total lead signals is of poor quality, then display lamp is designated as redness, represents that leading of current collection electrocardiogram (ECG) data may exist lead-fail detector situation, reminding user checkout facility, and needs to reconnect electrode.Therefore user can judge that whether the quality of the electrocardiosignal gathered is good quickly, thus improves the work efficiency of Electrocardioscopy; When electrocardiosignal is of poor quality, electrocardiogram report can not be printed when user triggers printing key, thus just find poor signal quality after efficiently avoid printing, and make the problem needing Resurvey electrocardiogram (ECG) data, and save time, raise the efficiency.When electrocardiosignal runs into interference, the noise type of current interference can also be judged rapidly, intuitively, locate noise source and intensity exactly, within the shorter time, eliminate interference, return to the collection of desirable ecg wave form; Thus simplified operating process widely, save the review time, save paper cost, allow user use convenient, make design hommization more.
the foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all do in the spirit and principles in the present invention any amendment, equivalent to replace and improvement etc., all should be included in protection scope of the present invention.
Claims (9)
1.
a method for electrocardiosignal Quality estimation instruction, is characterized in that, comprise the following steps:
step S1, starts electrocardiograph, carries out Initialize installation to electrocardiograph, and arranges a point lead signals quality mark position, total lead signals quality mark position and signal quality color Warning Mark position; Described Initialize installation comprises and carries out Initialize installation to each point of lead signals quality type and total lead signals quality type;
step S2, gathers human ecg signal by multiple physiological electrode, obtains point ecg wave form led that each physiological electrode is corresponding, detects the noise of the electrocardiosignal that each point leads, and obtain its noise type and noise intensity; Wherein noise intensity comprises strong, general and weak;
step S3, judges according to the noise intensity that each point leads the signal quality that each point leads, and arranges a point indicator of signal quality position of leading; When the noise intensity on certain point leads is weak, then a corresponding point lead signals quality is strong, and it is good that the indicator of signal quality position that this point leads is set to signal quality; When the noise intensity on certain point leads is strong, then a corresponding point lead signals quality is weak, and the indicator of signal quality position that this point leads is set to poor signal quality;
step S4, according to a point indicator of signal quality position of leading, judges the signal quality always led, and arranges total lead signals quality mark position; When there being a point lead signals quality mark position over half to be poor signal quality during all points are led, then judging that the signal quality type of always leading is poor signal quality, total lead signals quality mark position being set to poor signal quality simultaneously; When all points of indicator of signal quality positions of leading be signal quality good time, then judge that the signal quality type of always leading is that signal quality is good, total lead signals quality mark position be set to signal quality good simultaneously; One or more are had in leading when all points, and fewer than half a point lead signals quality mark position is when being poor signal quality, then judge that the signal quality type of always leading is that signal quality is general, total lead signals quality mark position is set to signal quality general simultaneously;
step S5, according to total lead signals quality mark position, arranges signal quality color Warning Mark position, and arranges the signal lights of index signal quality; When total lead signals quality mark position is poor signal quality, then signal quality color Warning Mark position is set to redness, the signal lights of its corresponding index signal quality is then also designated as redness; When total lead signals quality mark position be signal quality general time, then signal quality color Warning Mark position is set to yellow, the signal lights of its corresponding index signal quality is then also designated as yellow; When total lead signals quality mark position be signal quality good time, then signal quality color Warning Mark position is set to green, the signal lights of its corresponding index signal quality is then also designated as green.
2.
the method of a kind of electrocardiosignal Quality estimation instruction according to claim 1, is characterized in that, also comprise:
step S6, trigger cardiac figure print command, electrocardiograph, according to signal quality color Warning Mark position, judges whether to allow to print; When electrocardiogram machine testing is green to signal quality color Warning Mark position, then allow to print; When electrocardiogram machine testing is yellow or red to signal quality color Warning Mark position, does not then allow to print, and provide the ropy information of electrocardiosignal.
3.
the method of a kind of electrocardiosignal Quality estimation instruction according to claim 1 and 2, it is characterized in that, the noise type in described step S2 comprises baseline drift; When noise type is baseline drift, then determine the intensity of its noise according to baseline drift amplitude of leading; When baseline drift amplitude of leading is less than baseline drift the first amplitude threshold, then this noise intensity is weak; When baseline drift amplitude of leading is more than or equal to baseline drift first amplitude threshold, and when being less than baseline drift the second amplitude threshold, then this noise intensity is general; When baseline drift amplitude of leading is more than or equal to baseline drift the second amplitude threshold, then this noise intensity is strong.
4.
the method of a kind of electrocardiosignal Quality estimation instruction according to claim 1 and 2, it is characterized in that, the noise type in described step S2 comprises Hz noise; When noise type is Hz noise, then determine the intensity of its noise according to Hz noise amplitude of leading; When Hz noise amplitude of leading is less than Hz noise the first amplitude threshold, then this noise intensity is weak; When Hz noise amplitude of leading is more than or equal to Hz noise first amplitude threshold, and when being less than Hz noise the second amplitude threshold, then this noise intensity is general; When Hz noise amplitude of leading is more than or equal to Hz noise the second amplitude threshold, then this noise intensity is strong.
5.
the method of a kind of electrocardiosignal Quality estimation instruction according to claim 1 and 2, it is characterized in that, the noise type in described step S2 comprises myoelectricity interference; When noise type is myoelectricity interference, then determine the intensity of its noise according to myoelectricity interference magnitude of leading; When myoelectricity interference magnitude of leading be less than myoelectricity disturb the first amplitude threshold time, then this noise intensity is weak; Disturb the first amplitude threshold when myoelectricity interference magnitude of leading is more than or equal to myoelectricity, and be less than myoelectricity when disturbing the second amplitude threshold, then this noise intensity is general; When myoelectricity interference magnitude of leading be more than or equal to myoelectricity disturb the second amplitude threshold time, then this noise intensity is strong.
6.
a system for electrocardiosignal Quality estimation instruction, is characterized in that, comprises system initialization setting unit, ecg signal acquiring and analytic unit, point lead signals Quality estimation unit, total lead signals Quality estimation unit and color instruction setting unit; Described system initialization setting unit, for carrying out Initialize installation to electrocardiograph, comprising and carrying out Initialize installation to each point of lead signals quality type and total lead signals quality type; Described ecg signal acquiring and analytic unit are connected with described system initialization setting unit, for gathering human ecg signal, and the signal noise type that acquisition each point of electrocardiosignal is led and noise intensity; Described point of lead signals Quality estimation unit is connected with described ecg signal acquiring and analytic unit, and the noise intensity for leading according to each point judges each point of signal quality led, and arranges a point indicator of signal quality position of leading; Total lead signals Quality estimation unit is connected with described point of lead signals Quality estimation unit, for according to a point indicator of signal quality position of leading, judges the signal quality always led, and arranges total lead signals quality mark position; Described color instruction setting unit is connected with described total lead signals Quality estimation unit, for according to total lead signals quality mark position, arranges, and arrange the signal lights of index signal quality signal quality color Warning Mark position.
7.
the system of a kind of electrocardiosignal Quality estimation instruction as claimed in claim 6, is characterized in that, also comprise printing judging unit; Described printing judging unit and described color indicate setting unit to be connected, and for trigger cardiac figure print command, and according to signal quality color Warning Mark position, judge whether to print.
8.
the system of a kind of electrocardiosignal Quality estimation instruction as claimed in claim 7, it is characterized in that, described printing judging unit comprises printing trigger module and judging unit module; Described printing trigger module, for the print command of trigger cardiac figure; Described judging unit module is connected with described printing trigger module, for according to signal quality color Warning Mark position, judges whether to print.
9.
the system of a kind of electrocardiosignal Quality estimation instruction as claimed in claim 8, it is characterized in that, described ecg signal acquiring and analytic unit comprise ecg signal acquiring module and ECG Signal Analysis module; Described ecg signal acquiring module, for gathering human ecg signal, obtains each point of ecg wave form led; Described ECG Signal Analysis module is connected with described ecg signal acquiring module, for the ecg wave form led according to each point, obtains each point of signal noise type and noise intensity of leading.
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| CN104095627B (en) * | 2014-05-20 | 2016-05-04 | 邱磊 | A kind of electrocardiogram digitized signal quality soft decision method and device |
| CN104382583B (en) * | 2014-11-12 | 2016-11-02 | 深圳市理邦精密仪器股份有限公司 | A kind of 18 harvester leading electrocardiosignal and methods thereof |
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