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Health A-Z

Medical Content Created by the Faculty of the
Harvard Medical School

Additional Info

National Heart, Lung, and Blood Institute
Health Information Center
P.O. Box 30105
Bethesda, MD 20824-0105
Phone: 301-592-8573
www.nhlbi.nih.gov

Heart Rhythm Society
1400 K Street, NW
Suite 500
Washington, DC 20005
Phone: 202-464-3400
www.hrspatients.org

Date Last Reviewed: 11/1/2011

Date Last Modified: 11/1/2011

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From Health A-Z, Harvard Health Publications. Copyright 2007 by the President and Fellows of Harvard College. All rights reserved. Written permission is required to reproduce, in any manner, in whole or in part, the material contained herein. To make a reprint request, contact Harvard Health Publications. Used with permission of StayWell.

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