本文将对4例三房心及其合并的2例无顶冠状窦综合征,进行总结诊断治疗中的经验教训,并结合文献对本病做一讨论。临床资料例1:男5岁,生后不久发现心杂音,紫绀,活动后气急,无蹲踞,于1987年5月入院。查体:营养差,肤色暗,口唇紫绀,胸骨左缘2—4肋间可闻及收缩期杂音3/6级。无震颤,三尖瓣 This article will be 4 cases of three heart and its merger in 2 cases of topless sinus syndrome, the diagnosis and treatment of lessons learned, and the literature on the disease to be a discussion. Clinical data Example 1: Male 5 years old, shortly after birth found heart murmur, cyanosis, shortness of breath after exercise, no squat, was admitted in May 1987. Physical examination: poor nutrition, dark complexion, cyanotic lips, sternal left intercostal space between 2-4 can be heard and systolic murmur 3/6 level. No tremor, tricuspid valve