Strokes happen in atrial fibrillation when pools of blood form in the heart because of the upper chambers of the heart (the atria) not contracting properly. To learn more about atrial fibrillation, visit www.heartofstroke.com ©focus-AF Limited 2011: permission granted for educational purposes only
Keywords: risk of stroke, stroke, afib, af, atrial fibrillation, Boehringer Ingelheim, boehringeringelheim
