Analysis of Blood Flow Velocity Across Atrio-Ventricular(AV) Valve and Pulmonary Valve by Doppler Echocardiography in Patients of Atrial or Ventricular Septal Defect 房或室间隔缺损的房室瓣和肺动脉瓣多普勒血流速度分析
Studies have shown that velocity and time parameters of atrio-ventricular annular motion by TDI are related to pulmonary hypertension. 研究显示TDI测量的二、三尖瓣环运动的速度和时间参数与肺动脉高压有关。
Objective To understand the value of the transesophageal pacing in test of atrio-ventricular conduction function. 目的了解食道心房调搏在房室传导功能检测中的意义。
There were two patients who had atrio-ventricular block in metoprolol group. 治疗组有两例出现房室传导阻滞。
Clinical study on the use of pericardial autograft in the correction of partial atrio-ventricular canal deformity through right thoracotomy 经右胸切口应用自体心包片修补矫治部分性房室管畸形的临床研究