What causes atrial fibrillation?
The exact cause of atrial fibrillation (AF) is not known. However, there are associated conditions that are seen in conjunction with AF, such as high blood pressure, coronary artery disease, heart failure, heart bypass or valve surgery, chronic lung disease, sleep apnea or hyperthyroidism. It is known that the risk of developing AF increases with aging. In some cases, AF occurs without any associated condition or underlying heart disease Some people will notice that there are certain triggers to their AF episodes like alcohol consumption, excessive caffeine intake, lack of sleep or eating a large meal.
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