题目内容
下列超声诊断动脉导管未闭错误的是
2022-01-25
A.降主动脉峡部与左肺动脉之间有异常 管样回声
B.左心室内径扩大
C.室间隔和左心室后壁运动幅度增大
D.升主动脉与主肺动脉之间的回声中断
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