题目内容
超声诊断心内黏液瘤的依据是
2022-01-25
A.频谱多普勒检测心腔与大动脉间有无 异常血流
B.多普勒技术检测收缩期半月瓣口血流 有无异常
C.二维超声显示左心房内异常团块，随 血流而动
D.彩色多普勒观察瓣口有无反流血流
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