What Is Atrial Fibrillation? Symptoms, Causes, Diagnosis, Treatment, and Prevention
Atrial fibrillation (AF or AF) is a type of heart rhythm disorder, or arrhythmia. It causes your heart to beat very fast, and the upper and lower chambers of your heart do not work properly. (1) Aafib begins in the upper chambers of your heart, called the atria. Fibrillation refers to a fast, irregular heartbeat. …
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