他对花生过敏，一吃就引发了严重的血管性水肿。

He's allergic to peanuts, and eating them triggered severe ___angioedema.

遗传性血管性水肿患者需要定期补充C1抑制剂来预防肿胀发作。

People with hereditary ___angioedema need regular C1 inhibitor supplements to prevent swelling attacks.

吃完海鲜后，他的脸部突然出现血管性水肿。

After eating seafood, he suddenly developed ___angioedema on his face.