Heart sound splitting recognition method based on multiple heart sounds
A technology for splitting and recognizing heart sounds, applied in the fields of stethoscope, medical science, diagnosis, etc., can solve the problems of unable to obtain heart sounds at the same time, unable to perform multi-channel heart sound data analysis, etc., and achieve the effect of reducing dependence and automatic position error correction.
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[0104] The principle of the present invention is: the electric signal sent by the sinoatrial node is transmitted to the right atrium and the left atrium, and the excitement of the atrium is shown as the P wave of the electrocardiogram. Right ventricle, ventricular excitation is manifested as R wave on ECG, and ventricular repolarization is manifested as T wave on ECG. Ventricular repolarization awaits the next activation of the sinoatrial node. In the same cardiac cycle, the ECG should have P waves, R waves and T waves.
[0105] The generation of S1 is related to the closure of mitral valve (T1) and tricuspid valve (M1), and the generation of S2 is caused by the closure of aortic valve (A2) and pulmonary valve (P2). During one cardiac cycle, the phonocardiogram should have S1 and S2. When the cardiac cycle of the electrocardiogram does not correspond to the cardiac cycle of the phonocardiogram, it is likely that the state of the heart is abnormal.
[0106] According to the ...
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