题目内容
动脉导管未闭典型多f勒声像图特征是
2022-01-25
A.主肺动脉内五彩镶^血流信号
B.主动脉向肺动脉的髙速收缩期频谱
C.主动脉向肺动脉的双向分流
D.肺动脉内高速收缩期射流
E.主动脉向肺动脉高速连续性揣流频谱
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