题目内容
超声判断主动脉瓣狭窄程度的指标不包括
2022-01-25
A.右冠瓣和无冠瓣的开放间距
B.收缩期主动脉内射流束的粗细
C.主动脉瓣口面积
D.主动脉瓣平均跨瓣压差
E.左室流出道血流速度
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