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Can atrial fibrillation (AFib) cause a stroke?

April 26, 2017afib atrial cause fibrillation stroke

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Can atrial fibrillation (AFib) cause a stroke?

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People with AFib are more likely to have a stroke. A heart with AFib doesn’t work properly. When the heart doesn’t beat in a normal rhythm, blood can be left behind and pool inside the heart. This can turn into a clot. If the clot then travels out of the heart, it can block a blood vessel leading to the brain, causing a stroke. In fact, studies show that 15% of all strokes are caused by AFib. MULTAQ is not approved to reduce the risk of stroke. See the boxed text at right to learn more.