細さい動どう

noun

fibrillation

Medical term for rapid, irregular contractions of muscle fibers, especially of the heart. Commonly used in compounds like 心房細動 (atrial fibrillation).

• 心しん房ぼう細さい動どうは不ふ整せい脈みゃくの一いっ種しゅです。

  Atrial fibrillation is a type of arrhythmia.

• 細さい動どうが起おきると血けつ液えきがうまく送おくり出だせなくなる。

  When fibrillation occurs, blood cannot be pumped effectively.