坐位前倾时,可使哪种杂音更明显

Freeti2019-12-17  0

问题 坐位前倾时,可使哪种杂音更明显

选项 A.主动脉瓣关闭不全B.二尖瓣关闭不全C.肺动脉瓣狭窄D.主动脉瓣狭窄E.二尖瓣狭窄

答案A

解析
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