题目内容
关于冠状动脉瘘超声表现的描述不正确的是( )
2021-10-14
A.冠状动脉主干或分支内径衾8mm
B.频谱均为双期连续性湍流
C.增宽的冠状动脉远端呈五彩色血流
D.冠状动脉瘘多为单支瘘,引流入右心系统占多数
E.左心室瘘口频谱显示舒张期揣流
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