だい動脈 どうみゃく べん閉鎖 へいさ不全 ふぜん しょう
daidōmyakube n'e isa fuzen shōno

Noun
Da Copula

Attributive form: modifies a following noun of 大動脈弁閉鎖不全症

1. Aortic valve insufficiency; Aortic regurgitation

Attributive
Medicine