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These two strips from the same patient show a 2:1 block on the top tracing and a Mobitz II A/V block on the lower one. Note that with 2:1 block you can not tell if this is a Mobitz I or II. Mobitz II is seen below as the PR does not change before and after the non-conducted P wave.
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||03:10, 11 February 2012||3,004 × 1,599 (873 KB)||DarrelC|