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Atrial fibrillation

2:13

What is Atrial Fibrillation?

3:03

Atrial Fibrillation Anatomy, ECG and Stroke, Animation.

3:58

Atrial fibrillation (Afib) | Circulatory System and Disease | NCLEX-RN | Khan Academy

3:45

Living with atrial fibrillation (AF) – Kim’s story

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What is atrial fibrillation?

Atrial fibrillation is an abnormal heart rhythm characterized by rapid and irregular beating of the atria. Often it starts as brief periods of abnormal beating which become longer and possibly constant over time. Often episodes have no symptoms. Occasionally there may be heart palpitations, fainting, lightheadedness, shortness of breath, or chest pain. The disease is associated with an increased risk of heart failure, dementia, and stroke. It is a type of supraventricular tachycardia.
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  • Signs and symptoms 

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