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Atrial Fibrillation

Do you have atrial fibrillation?
Learn about our research and development efforts.

What is Atrial Fibrillation?

Normally, your heart contracts and relaxes to a regular beat. In atrial fibrillation (AFib), the upper chambers of the heart (the atria) beat irregularly (quiver) instead of beating effectively to move blood into the ventricles. 

If a clot breaks off, enters the bloodstream and lodges in an artery leading to the brain, a stroke results. About 15–20 percent of people who have strokes have this heart arrhythmia. This clot risk is why patients with this condition are put on blood thinners.

Even though untreated atrial fibrillation doubles the risk of heart-related deaths and is associated with a 5-fold increased risk for stroke, many patients are unaware that AFib is a serious condition. 

AFib Treatment Saves Lives & Lowers Risks
If you or someone you love has atrial fibrillation, learn more about what AFib is, why treatment can save lives, and what you can do to reach your goals, lower your risks and live a healthy life. 


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