Ebstein畸形是一种少见的先心病,约占先心病的0.5%～1%。可伴发多种心律失常,但并发室上性心动过速者较少,作者遇到2例,报告如下。例1女,31岁。心悸、气短、心前区不适 Ebstein’s deformity is a rare congenital heart disease, which accounts for about 0.5% to 1% of congenital heart disease. May be associated with a variety of arrhythmia, but less complicated by supraventricular tachycardia, the authors encountered two cases, the report is as follows. Example 1 Female, 31 years old. Heart palpitations, shortness of breath, precordial discomfort