two dimensional image was obtained by transesophageal echocardiography. the thickness, wave time and velocity were showed during atrial septal motion by omni directional m mode echocardiography (ome).
应用经食管超声心动图获得二维图像,全方向m型超声显示并测量房间隔运动时的厚度、波幅时间及速度。
objective to study the feasibility of anatomical m mode echocardiography for measuring left ventricular isovolumic relaxation time(ivrt).