English Atrial fibrillation Cited by user Tymonpol on 17 Mar 2021 Atrial fibrillation (AF or A-fib) is an abnormal heart rhythm (arrhythmia) characterized by the rapid and irregular beating of the atrial chambers of the heart.
English Atrial fibrillation Cited by user Tymonpol on 17 Mar 2021 Atrial fibrillation (AF or A-fib) is an abnormal heart rhythm (arrhythmia) characterized by the rapid and irregular beating of the atrial chambers of the heart.