がい収縮 しゅうしゅく せい不整 ふせい みゃくだろう
kigaishūshuku sei fuseimyakudarō

Noun
Da Copula

Expresses probability ("probably…") of 期外収縮性不整脈

1. Premature ventricular contraction; Likely premature ventricular contraction

Presumptive
Conjecture