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This is an electrocardiogram from a middle-aged woman treated for atrial fibrillation. The patient was doing well when this electrocardiogram was taken, and was taking digoxin and flecainide . The electrocardiogram shows an irregular rhythm which appears to be sinus. The grouping of the QRS complexes suggests a Mobitz type I AV block. In this case though, no A V block is seen and this may represent a sinus node exit block.
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||10:23, 21 February 2012||3,004 × 1,599 (4.46 MB)||DarrelC|