题目内容
二尖瓣脱垂综合征,下列哪项是错误的( )
2021-10-14
A.以收缩中、麵嘻喇音及收缩期杂音为特点
B.青年女性多见
C.渐进性的瓣膜变长或断裂
D.只累及二尖瓣
E.前、后瓣均可累及
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