Atrial Flutter

Published 01/23 2008 04:14PM

Updated 07/28 2010 01:47PM

Atrial Flutter: A rhythm disorder in which electrical activity circulates in the right atrium. Patients with brief (paroxysmal) episodes of atrial flutter often have normal hearts, while patients with chronic atrial flutter have underlying heart disease that results in enlargement of the atrium. Chronic atrial flutter often converts to chronic atrial fibrillation.

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