Silver Book Fact
Atrial fibrillation increases stroke risk
Atrial fibrillation increases the risk of stroke 5- fold.
Wolf P, Abbott R, Kannell W. Atrial Fibrillation as an Independent Risk Factor for Stroke: The Framingham Study. Stroke. 1991; 22: 983-8. http://stroke.ahajournals.org/content/22/8/983.abstract