二尖瓣脱垂是指二尖瓣前叶或后叶,或两叶同时在收缩期向左心房膨出,伴或不伴二尖瓣关闭不全。由于本病临床症状多变,因此不易确诊。本征的病名较多,不下十儿个病名,就其主要的有收缩中期喀喇音——收缩晚期杂音综合征、波浪型或脱垂型瓣叶综合征、瓣叶叭搭响综合征、Reid—Barlaw’s综合征、二尖瓣脱垂综合征等。现将我们经历的6例介绍如下: Mitral valve prolapse refers to the anterior or posterior mitral leaf, or both leaves in the systolic left atrial appendage, with or without mitral regurgitation. Due to the clinical symptoms of the disease varied, it is not easy to diagnose. Intrinsic disease name more, no less than ten sick name, its main contractions Karakus - contracting late murmur syndrome, wavy or prolapsed leaflet syndrome, valve leaf trumpet syndrome, Reid-Barlaw’s syndrome, mitral valve prolapse syndrome and so on. Now we experience the 6 cases are as follows: