晕厥最常见于下列哪些疾病A.扩张型心肌病B.二尖瓣狭窄合并关闭不全C.主动脉瓣狭窄D.主动脉瓣关闭不全E.肥厚梗阻型心肌病

作者: rantiku 人气: - 评论: 0
问题 晕厥最常见于下列哪些疾病
选项 A.扩张型心肌病 B.二尖瓣狭窄合并关闭不全 C.主动脉瓣狭窄 D.主动脉瓣关闭不全 E.肥厚梗阻型心肌病
答案 CE
解析 :此两者均因流出道狭窄致心排出量明显降低而易出现心源性晕厥。

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