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ECG Waveform Simulation Method

A simulation method and electrocardiogram technology, applied in the field of medical teaching, can solve the problems of the limited number of effective electrocardiogram cases for medical students, the physical and mental impact of patients, and disadvantages, and achieve the effect of enriching clinical teaching cases

Active Publication Date: 2021-11-05
TIANJIN TELLYES SCI INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] At present, in the field of medical teaching, medical students follow the teacher to study in the ward or outpatient clinic, and the dynamic electrocardiograph requires the subject to wear the recorder for a long time to record and store continuously, which has a great impact on the patient's body and mind. Therefore, , so that the number of effective ECG cases obtained by TCM students in teaching practice is very limited, which is not conducive to quickly mastering this skill

Method used

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Examples

Experimental program
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Effect test

example 1

[0093] Instance 1, such as Figure 5 As shown in the ECG simulation method, the specific steps include:

[0094] S1, ECG preprocessing,

[0095] S11, obtain the clinical electrocardiogram, as shown in A1, it is a normal electrocardiogram waveform,

[0096] S12, establishing a two-dimensional coordinate system,

[0097] S13, generating the simulated ECG waveform data, wherein taking the II lead waveform in Figure A1 as an example, intercepting the II lead waveform in Figure A1, and generating the simulated ECG waveform as shown in A2,

[0098] S14, by linear interpolation method, obtain point coordinate data evenly distributed in time on Figure A2, and mark characteristic points, including P wave start point, QRS wave group start point, T wave end point.

[0099] S2, performing morphological division on the preprocessed ECG according to the waveform features,

[0100] S21, according to the cardiac cycle, the simulated ECG waveform in Figure A2 is segmented, that is, from th...

example 2

[0112] Instance 2, such as Image 6 As shown in the ECG simulation method, the specific steps include:

[0113] S1, ECG preprocessing,

[0114] S11, obtain the clinical electrocardiogram, as shown in B1, it is the electrocardiogram waveform of the case of single ventricular premature systole,

[0115] S12, establishing a two-dimensional coordinate system,

[0116] S13, generating the simulated ECG waveform data, wherein taking the II lead waveform in Figure B1 as an example, intercepting the II lead waveform in Figure B1, and generating the simulated ECG waveform as shown in B2,

[0117] S14, by linear interpolation method, obtain point coordinate data uniformly distributed in time on Figure B2, and mark feature points, including P wave start point, QRS wave group start point, T wave end point.

[0118] S2, performing morphological division on the preprocessed ECG according to the waveform features,

[0119] S21, segmenting the simulated ECG waveform in Figure B2 according...

example 3

[0131] Example 3, such as Figure 7 As shown in the ECG simulation method, the specific steps include:

[0132] S1, ECG preprocessing,

[0133] S11, obtain the clinical electrocardiogram, as shown in C1, it is the electrocardiogram waveform of a case of third-degree atrioventricular block and high block,

[0134] S12, establishing a two-dimensional coordinate system,

[0135] S13, generating the simulated ECG waveform data, wherein taking the II lead waveform in Figure C1 as an example, intercepting the II lead waveform in Figure C1, and generating the simulated ECG waveform as shown in C2,

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Abstract

The invention discloses a method for simulating an electrocardiogram waveform, which relates to the field of medical teaching. The method includes: 1. Obtaining electrocardiogram waveform data: obtaining a clinical electrocardiogram, identifying an electrocardiogram curve, obtaining point coordinate data uniformly distributed in time, and marking the starting point of a P wave , QRS wave group start point, T wave end point, 2 Judgment of ECG waveform shape: segment the ECG waveform data according to the cardiac cycle, judge whether the segmented cardiac cycle waveform is consistent, and mark the main rhythm waveform and ectopic rhythm waveform , further segment the main rhythm waveform, and perform breakpoint smoothing on each segmented waveform, 3. Dynamic simulation: obtain the current heart rate through fine-tuning control, calculate the original heart rate and the length of the TP segment under the current heart rate, and generate the main rhythm under the current heart rate. Rhythm waveforms and ectopic rhythm waveforms are output, and through the present invention, the dynamic display of clinical real electrocardiograms is realized, and clinical teaching examples are enriched.

Description

technical field [0001] The invention relates to the field of medical teaching, in particular to a method for simulating an electrocardiogram waveform. Background technique [0002] The heart is the power plant of the human blood circulation. It is precisely because the heart automatically and continuously performs rhythmic contraction and relaxation activities that blood flows continuously in the closed circulatory system and life is maintained. Before and after the heart beats, the heart muscle is excited. During the exciting process, a weak biological current will be generated. In this way, every cardiac cycle of the heart is accompanied by bioelectrical changes. This bioelectrical change can be transmitted to various parts of the body surface. Due to the different tissues of different parts of the body and the different distances from the heart, the electrocardiographic signal exhibits different potentials in different parts of the body. For a normal heart, the direc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B23/28
CPCG09B23/28
Inventor 关红彦马培培尚双双张华李南楠
Owner TIANJIN TELLYES SCI INC
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