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:
calcific aortic stenosis
rheumatic aortic stenosis
syphilitic aortitis
Marfan syndrome