atrial fibrillation

1. 1.

   fibrillation of the muscles of the atria of the heart

   Broaderfibrillationcardiac arrhythmia

Questions about atrial fibrillation

What does atrial fibrillation mean?

atrial fibrillation means "fibrillation of the muscles of the atria of the heart".

Is atrial fibrillation a common word?

atrial fibrillation is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.