atrial fibrillation

What you need to know about atrial fibrillation, or AFib.
Atrial fibrillation, or AFib, is the most common type of arrhythmia, affecting more than 5 million people in the U.S….
Atrial fibrillation, or AFib, is the most common type of arrhythmia, affecting more than 5 million people in the U.S….