我们对经手术确诊的法乐氏四联症20例,男性14例,女性6例,年龄自2 5/12岁～12岁。按手术记录及右心导管造影结果与M型超声心动图检查的结果作了对比分析。超声发现室膈中断(4/20);主动脉内径增宽(14/20);主动脉骑跨于室间膈之上(13/20);右心室内径增大(15/20)。超声诊断与手术、造 We have 20 cases of tetralogy of Fallot diagnosed surgically, including 14 males and 6 females, aged from 25/12 to 12 years old. According to surgical records and right heart catheterization results and M-mode echocardiography results were compared. The mediastinal disruption was found by ultrasound (4/20); the aortic diameter was widened (14/20); the aorta was straddling the supraventricular (13/20); and the right ventricular diameter was increased (15/20). Ultrasound diagnosis and surgery, made