Cardioversion: Atrial fibrillation
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.
Credits
| Primary Medical Reviewer | Caroline S. Rhoads, MD - Internal Medicine |
| Specialist Medical Reviewer | Laurence Epstein, MD - Cardiac Electrophysiologist |
| Last Updated | January 18, 2007 |
| Last updated: | January 18, 2007 |
|---|---|
| Reviewed By: | Caroline S. Rhoads, MD - Internal Medicine, Laurence Epstein, MD - Cardiac Electrophysiologist |
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