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A 60 year old woman with hypertension. Atrial fibrillation with pre-existing left bundle branch block Sometimes this can be confused with ventricular tachycardia but closer inspection can identify the irregularity. Irregularly irregular rhythm - suggesting AF. Features of typical left bundle branch block wide QRS >120 ms (3 small squares) no secondary R wave in lead V1 no lateral Q waves with permision from the site of Dr. Dean Jenkins
EKG World Encyclopedia http://cme.med.mcgill.ca/php/index.php , courtesy of Michael Rosengarten BEng, MD.McGill
Michael Rosengarten BEng, MD.McGill
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|current||09:47, 21 February 2012||3,004 × 1,599 (4.54 MB)||DarrelC|