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This is a regularly irregular rhythm. The PR interval is about 200 ms, and the QRS duration of the narrow beats is about 80 ms. There are Q waves in the inferior leads and there is T wave inversion in leads I, aVL, V4 to V6. The wide complex beats have a duration of 130 ms and have a LBBB configuration. Note the bump in the beginning of the ST segment in leads V1, V2 and II suggestive of a P wave buried in this area. Note also the compensatory pause after the wide beats. This is a recording of sinus rhythm with ventricular premature beats in trigemini. The inferior Q waves suggest an inferior MI.
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||11:25, 21 February 2012||3,004 × 1,599 (4.45 MB)||DarrelC|
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