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contentuptodate· Content· item f9_47_9973

©2013 UpToDate ® Print Email Sinus rhythm with ventricular bigeminy Sinus rhythm with ventricular bigeminy. Each sinus beat is followed by a uniform premature complex with prolonged duration and no apparent preceding P wave; these findings are indicative of ventricular ectopic beats. Courtesy of Ary Goldberger, MD.