E000623.jpg (470 × 257 pixels, file size: 54 KB, MIME type: image/jpeg)
From a Holter recording from a middle aged woman, also shows 2:1 block
EKG World Encyclopedia
http://cme.med.mcgill.ca/php/index.php , courtesy of Michael Rosengarten BEng, MD.McGill
Click on a date/time to view the file as it appeared at that time.
|current||05:37, 9 February 2012||470 × 257 (54 KB)||DarrelC|
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