Everything can help in order to assess the LV systolic function, however EF is more reliable and the MV ESSP is not a mandatory measurement, it's more like an accessory one
0:07 E POINT SEPTAL SEPARATION 7:55 E POINT SEPTAL SEPARATION CAN BE MEASURED PLAX AND PSAX VIEW 8:25 M MODE CURSOR PLACEMENT 9:05 NORMAL MITRAL VALVE M MODE WAVE FORM 10:11 EPOINT SEPTAL SEPARATION 10:41 NORMAL VALUES OF E POINT SEPTAL SEPARATION