心房 しんぼう細動 さいどうじゃなかったです
shimbōsai dōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 心房細動

1. Wasn't atrial fibrillation.; Wasn't having atrial fibrillation.

Past/Perfective
Negative
Polite
Casual Register
Medicine