题目内容
室间缺损的超声表现，下列错误的是
2022-01-25
A.二维超声可见室间隔回声中断
B.二维超声可见缺损断端的T形征
C.连续波多普勒显示收缩期高速分流
D.M型超声可见左心室缩小流
E.彩色多普勒血流显示收缩期左向右分
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