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Atrial Fibrillation Health Center

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Atrial Fibrillation Health Center

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Cardioversion: Atrial Fibrillation

In atrial fibrillation, erratic electrical impulses in the upper chambers of the heart (atria) cause those chambers to fibrillate, or quiver, resulting in an irregular and frequently rapid heart rate. The irregular pattern in the electrocardiogram (EKG, ECG) tracing shows these erratic impulses.

By	Healthwise Staff
Primary Medical Reviewer	E. Gregory Thompson, MD - Internal Medicine
Specialist Medical Reviewer	John M. Miller, MD - Electrophysiology
Last Revised	November 2, 2010

WebMD Medical Reference from Healthwise

Last Updated: November 02, 2010

This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.