がい収縮 しゅうしゅく せい不整 ふせい みゃく
kigaishūshuku sei fuseimyakuno

Noun
Da Copula

Attributive form: modifies a following noun of 期外収縮性不整脈

1. Premature contraction arrhythmia; Extra systole arrhythmia

Attributive