Atrial fibrillation is an irregular heartbeat that may also be faster than usual. If it doesn’t resolve by itself, treatment may be needed to stop uncomfortable symptoms and prevent a blood clot that may cause a stroke. Medications can control the heart rate or regulate the rhythm. Sometimes a procedure is performed to eliminate the cells causing atrial fibrillation. Most people with atrial fibrillation must also take a drug to prevent a blood clot from forming in the heart and getting into the circulation, where it could cause a stroke.
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