题目内容
关于主动脉根部动脉瘤的阐述,不正确的是( )
2021-10-14
A.主动脉根部管腔显著扩张或膨胀
B.是动脉扩张所致
C.有些是先天性动脉瘤
D.有些是获得性动脉瘤
E.影响主动脉瓣关闭时,可见左房右室 扩大
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