Everything Here Atrial Fibrillation What Is Atrial Fibrillation?

What Is Atrial Fibrillation?

www 23:03 Atrial Fibrillation

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Illustration of regular heartbeat and atrial fibrillation.

What Is Atrial Fibrillation?

Atrial fibrillation (AFib) is a heart rhythm abnormality caused by a problem with the heart's electrical system. Normally, the heart's electricity flows from the top chambers (atria) to the bottom chambers (ventricles), causing the normal contraction. In atrial fibrillation the electrical flow is chaotic causing the heartbeat to become irregular.

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