题目内容
以下关于二尖瓣关闭不全的描述错误的是
2022-03-18
A.病变轻、心功能代偿良好者可无症状
B.常见症状为劳累后疲倦、乏力和呼吸困 难
C.咯血较二尖瓣狭窄少见
D.可出现石心衰竭症状
E.急性肺水肿较二尖瓣狭窄多见
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