题目内容
主动脉瓣狭窄病人出现下列哪种情况危险性最大
2021-09-17
A.左心室肌肥厚
B.主动脉瓣跨瓣压差大于30mmHg
C.出现晕厥和心绞痛
D.出现低血压
E.出现登三楼后有心率增快现象
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