题目内容
主动脉瓣中度狭窄时
2022-03-18
A.跨主动脉瓣压力阶差 <25mmHg
B.跨主动脉瓣压力阶差25~50mmHg
C.跨主动脉瓣压力阶差 >50mmHg
D.压力阶差40 ~ lOOmmHg
E.瓣压力阶差>100mmHg
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