在胸骨左缘第三、四肋间触及收缩期震颤，应考虑为A．主动脉瓣关闭不全B．室间隔缺损C．二尖瓣狭窄D．三尖瓣狭窄E．肺动脉瓣狭窄

作者: rantiku 人气: - 评论: 0

问题在胸骨左缘第三、四肋间触及收缩期震颤，应考虑为

选项 A．主动脉瓣关闭不全 B．室间隔缺损 C．二尖瓣狭窄 D．三尖瓣狭窄 E．肺动脉瓣狭窄

答案 B

解析

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