Can Afib Cause a Stroke?
Atrial fibrillation (AFib) is an arrhythmia characterized by irregular and rapid heartbeats due to abnormal electrical activity in the heart. While AFib itself isn’t immediately life-threatening, it significantly raises the risk of stroke. During AFib episodes, the heart’s irregular rhythms can cause blood to pool and clot in the heart. If these clots dislodge and travel to the brain, they can block blood flow and cause a stroke.
Key Points:
- Stroke Risk in AFib: AFib increases stroke risk due to clot formation in the heart during irregular heartbeats.
- Mechanism of Stroke: Irregular heartbeats in AFib lead to blood pooling and clot formation in the heart. Clots can travel to the brain and cause a stroke.
- Stroke Risk Statistics: The average risk of stroke from AFib ranges from 3-5%, varying with age and other health conditions.
- Prevention with Blood Thinners: Specific blood thinners are prescribed to prevent clot formation in the heart, reducing the risk of AFib-related strokes to less than 1%.
- Management Approach: Treatment focuses on stroke prevention with blood thinners and managing AFib symptoms like rapid heart rates.
Understanding the link between AFib and stroke is essential for managing the condition effectively. By addressing stroke risk and managing AFib symptoms, patients can improve outcomes and reduce complications.