Objective To investigate the clinical application value of transthoracic echocardiography in typing of the aneurysm membranous ventricular septal defect(VSD) before interventional occlusion.

• 目的探讨经胸彩色超声心动图在膜部瘤型室间隔缺损(VSD)介入治疗术前超声分型的临床应用价值。