应用三维超声心动图诊断先天性二尖瓣瓣上狭窄环合并房间隔缺损1例

Congenital supravalvar mitral ring with atrial septal defect diagnosed by three-dimensional echocardiography: report of one case

病例男,8月,以'听诊发现心脏杂音3天'为主诉入院。查体:心律齐,心音可,胸骨左缘2~3肋间可闻及Ⅲ级收缩期杂音。心电图:T波倒置,ST段下移0.05~0.3 mv,右室大二维经胸超声心动图显示:左房、左室小(左房内径:15.9 mm,左室舒张末期内径:13.7 mm),右心明显增大(右室内径:27.8 mm),二尖瓣瓣环上方可见一个环膜样结构,