Living With Atrial Fibrillation

How the heart works: The heart has an electrical system. These electrical signals tell the heart when to squeeze and when to relax. In a normal heart rhythm, the four chambers of the heart beat in a normal, steady pattern. This is called “Sinus Rhythm”. In Afib, the atria (top chambers of the heart) fibrillate (quiver or twitch quickly). This ................
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