I have Atrial Fibrillation!
Home | What is Atrial Fibrillation? | What Causes Atrial Fibrillation? Where does atrial fibrillation come from and what causes it? We know that the erratic electrical impulses that cause atrial fibrillation often originate in the pulmonary veins, at least in most paroxysmal (intermittent) atrial... Sign in to see full entry.