Feature point identification method of mechanocardiography

A feature point identification method for mechanocardiography (MCG) applied to get a lateral wall contraction maximal velocity feature point (LCV) comprising the steps of:

• placing a gravity sensor on a mitral area on a body surface corresponding to a patient's heart valves to get an MCG reading by the gravity sensor;
• arranging an electrocardiography (ECG) sensing module at a limb lead attachment region on the body surface to get an ECG;
• determining an R-wave peak and a T-wave peak of the ECG and corresponding the R-wave peak and the T-wave peak to the MCG reading, respectively, to get a first corresponding point and a second corresponding point of the MCG reading, respectively;
• determining a peak with the maximum value in an interval from 0.04 seconds after the first corresponding point and the second corresponding point;
• wherein the peak with the maximum value is the lateral wall contraction maximal velocity feature point (LCV);
• and using a processor for both of the determining steps.