哪种心脏瓣膜病最易引起晕厥 A.主动脉辧关闭不全B. 二尖瓣狭窄C.主动脉瓣狭窄D. 二尖瓣关闭不全E.肺动脉瓣狭窄

作者: rantiku 人气: - 评论: 0

问题哪种心脏瓣膜病最易引起晕厥 A.主动脉辧关闭不全 B. 二尖瓣狭窄 C.主动脉瓣狭窄 D. 二尖瓣关闭不全 E.肺动脉瓣狭窄

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答案 C

解析晕厥为主动脉瓣狭窄的首发症状，通常在体力活动中或其后立即发作，由急性脑缺血所致。

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