大だい動どう脈みゃく弁べん閉へい鎖さ不ふ全ぜん症しょう

noun

aortic incompetence; aortic regurgitation

Medical term for a condition where the aortic valve does not close properly, causing blood to leak backward into the left ventricle.

• 大だい動どう脈みゃく弁べん閉へい鎖さ不ふ全ぜん症しょうは、心しん臓ぞうの弁べんがしっかり閉とじない病びょう気きです。

  Aortic incompetence is a condition where the heart valve does not close properly.