下述哪些是二尖瓣狭窄伴主动脉瓣关闭不全的表现A.由于二尖瓣狭窄致心排血量减少,使左心室扩大延缓B.是风湿性心脏病的常见组合形式C.约1/3患严重二...

作者: rantiku 人气: - 评论: 0
问题 下述哪些是二尖瓣狭窄伴主动脉瓣关闭不全的表现
选项 A.由于二尖瓣狭窄致心排血量减少,使左心室扩大延缓 B.是风湿性心脏病的常见组合形式 C.约1/3患严重二尖瓣狭窄病人可伴有不同程度的主动脉瓣关闭不全 D.心排血量增加可使外周血管征缺如 E.心尖部第一心音可不亢进
答案 ABE
解析

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