导致Austin-F1int杂音的情况是A．主动脉瓣关闭不全B．器质性二尖瓣狭窄C．主动脉瓣狭窄D．二尖瓣关闭不全E．动脉导管未闭

作者: rantiku 人气: - 评论: 0

问题导致Austin-F1int杂音的情况是

选项 A．主动脉瓣关闭不全 B．器质性二尖瓣狭窄 C．主动脉瓣狭窄 D．二尖瓣关闭不全 E．动脉导管未闭

答案 A

解析

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