がい収縮 しゅうしゅく せい不整 ふせい みゃくじゃなかったです
kigaishūshuku sei fuseimyakujanakattadesu

Noun
Desu Copula

The polite, past negative form of 期外収縮性不整脈

1. Wasn't premature ventricular contraction.; Wasn't an arrhythmia due to premature ventricular contractions.

Past/Perfective
Negative
Polite
Casual Register