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SUN RESEARCH
INSTITUTE
427 9th St
San Antonio, TX 78215
210-227-1289
Atrial Fibrillation
Atrial fibrillation (AFib) is an irregular and often very rapid heart rhythm. An irregular heart rhythm is called an arrhythmia. AFib can lead to blood clots in the heart. The condition also increases the risk of stroke, heart failure and other heart-related complications. During atrial fibrillation, the heart's upper chambers — called the atria — beat chaotically and irregularly. They beat out of sync with the lower heart chambers, called the ventricles. For many people, AFib may have no symptoms. But AFib may cause a fast, pounding heartbeat, shortness of breath or light-headedness.
Sun Research Institute
427 9th Street San Antonio, Texas 78215
(210) 227-1289
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