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Facts On: Atrial Fibrillation (AF)

• :: 3% to 5% of people over 65 years of age have AF.
• :: AF is a disorder found in about 2.2 million Americans.
• :: About 15% of strokes occur in people with AF.
• :: AF may have no known cause.
• :: AF can decrease the heart's pumping ability by as much as 20-25%.
• :: The risk of AF increases with age, particularly after age 60.
• :: A normal heart rate is approximately 60-100 beats per minute.
• :: AF is estimated to be responsible for more than 70,000 strokes each year.