85 80 歲老翁有左心室擴大,時常發作心絞痛,心導管檢查並無嚴重冠狀動脈狹窄,二尖瓣正常,但有 明顯主動脈瓣狹窄,此人最可能的主動脈瓣膜病變是:
(A)calcific aortic stenosis
(B)rheumatic aortic stenosis
(C)syphilitic aortitis
(D)Marfan syndrome

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統計: A(123), B(17), C(5), D(9), E(0) #812245