cardiac volume
7.Cardiac function(Killip methods) was assessed and left ventricular end systolic volume (LVESV)、left ventricular ejection fraction (LVEF)、anterior and posterior ednocardial segmental lengths(ASL and PSL)were measured by two dimensional echocardiography (2DE) in two groups during acute period(12.58±2.13 days)and recovery period (78.33±6.06 days).

