法洛四联症心脏杂音响度主要取决于A．左、右室之间压力差B．肺动脉瓣狭窄程度C．室间隔缺损大小D．主动脉骑跨程度E．右室肥厚程度

作者: rantiku 人气: - 评论: 0

问题法洛四联症心脏杂音响度主要取决于

选项 A．左、右室之间压力差 B．肺动脉瓣狭窄程度 C．室间隔缺损大小 D．主动脉骑跨程度 E．右室肥厚程度

答案 B

解析

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