This page has moved. Click here to view. Atrial Fibrillation Atrial fibrillation has a prevalence of 4 percent in the adult population. The prevalence of this arrhythmia increases with age, from less than 0.05 percent in patients 25 to 35 years of age to more than 5 percent in patients over 69 years of age.
Atrial fibrillation is associated with an increased susceptibility to embolic stroke.
The annual risk of stroke in patients with atrial fibrillation is 4.5 percent. Atrial fibrillation also can decrease exercise tolerance and has been associated with tachycardia-induced cardiomyopathy. Symptoms of The cause of the atrial fibrillation should be identified. Precipitating causes, such as hyperthyroidism, electrolyte abnormalities, and drug toxicity, should be excluded. AF may be associated with a recent acute illness, such as pneumonia atrial fibrillation, fibrilation, atreal, palpitations, irregular heart beat.