题目内容
机械性肠梗阻的声像图特征,以下说法正 确的是
2022-01-25
A.肠管扩张
B.扫査可见“气液平面”
C.肠壁呈.“琴键征” “乳头状” “鸡冠状”
D.肠内液体往返运动及“气过水声”
E.以上都是
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