Atrial Flutter (A-Flutter) is a condition similar to atrial fibrillation except that the rapid firing of impulses occurs in a regular patter, rather than uncoordinated. When it first occurs, it is usually associated with a fast heart rate or tachycardia (230-380 beats per minute), and falls into the category of supra-ventricular tachycardia. While this rhythm occurs most often in individuals with cardiovascular disease (eg: hypertension, coronary artery disease, and cardiomyopathy), it may occur spontaneously in people with otherwise normal hearts. It is typically not a stable rhythm, and frequently degenerates into atrial fibrillation. It can persist for months to years.
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