An aortic valve need not be bicuspid to calcify.

主动脉瓣并非是两个瓣叶的才钙化。

The aortic valve shows three thin and delicate cusps.

主动脉瓣是三个薄而灵活的瓣膜。

The traditional treatment is surgery to replace the ruined aortic valve.

传统的治疗是手术更换破损的主动脉瓣。

Aortic valve replacement was performed through aortic root incision.

行常规主动脉根部切口法行主动脉瓣替换。

Williams' publicist says he needs to have an aortic valve replacement.

威廉的公关人员指出威廉需要进行主动脉瓣更换。