What Do You Know About Atrial Fibrillation? To paraphrase an old pop song, Can you hear your heart beat? Your heart is supposed to beat with a steady rhythm, but rhythm problems - called arrhythmias - are common, particularly as people age. And the most common type of arrhythmia is atrial fibrillation. September is National Atrial Fibrillation Awareness Month. Take this quiz to find out more about a-fib, as it's known. Photo on a woman.
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