Atrial fibrillation (Afib) is the most common heart rhythm disorder, affecting more than five million Americans. It can happen to anyone at any time, and can become chronic and debilitating, or
produce only occasional symptoms. Atrial fibrillation occurs when the upper part of the heart beats faster than the lower as a result of stray electrical signals that disrupt the body’s natural heart rhythm. It often produces a rapid, irregular and disrupted heart rhythm that can cause fatigue, lightheadedness, shortness of breath and other symptoms. Patients with Afib may have an increased risk of stroke.
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