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Atrial Fibrillation : A case based Discussion
Updated on Sep, 2026
Health and Fitness, Other Health and Fitness, Medical Terminology
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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.
Episodes of atrial fibrillation may come and go, or they may be persistent. AFib itself usually isn't life-threatening. But it's a serious medical condition that needs proper treatment to prevent stroke.
Treatment for atrial fibrillation may include medicines, therapy to shock the heart back to a regular rhythm and procedures to block faulty heart signals.
A person with atrial fibrillation also may have a related heart rhythm problem called atrial flutter.
Symptoms of AFib may include:
Some people with atrial fibrillation (AFib) don't notice any symptoms.
Atrial fibrillation may be:
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