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Harvard Heart Letter

Ask the doctor: How is atrial flutter different from atrial fibrillation?

Ask the doctor

How is atrial flutter different from atrial fibrillation?

Published: May, 2009

Q. What are the differences between atrial flutter and atrial fibrillation?

A. Atrial flutter and atrial fibrillation are abnormal rhythms involving the upper chambers of the heart (the atria). As such, they're both classified as supraventricular arrhythmias. Both cause the atria to beat far faster than they should. The big differences are in their causes and patterns.

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Ask the doctor: How is atrial flutter different from atrial fibrillation?

Ask the doctor

How is atrial flutter different from atrial fibrillation?

Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.

Related Articles

Related Topics