室间隔缺损和动脉导管未闭患儿压迫喉返神经是由于A.肺动脉扩张B.主动脉扩张C.右心房扩张D.左心房扩张E.左右心房扩张

作者: rantiku 人气: - 评论: 0

问题室间隔缺损和动脉导管未闭患儿压迫喉返神经是由于 A.肺动脉扩张 B.主动脉扩张 C.右心房扩张 D.左心房扩张 E.左右心房扩张

选项

答案 A

解析室间隔缺损患儿有时出现声音嘶?原因是扩张的肺动脉压迫喉返神经。

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