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A 45 year old lady with palpitations and history of chronic renal failure Ventricular tachycardia
A wide QRS tachycardia is VT until proven otherwise (1). Features suggesting VT include:-
evidence of AV dissociation independent P waves (shown by arrows here) capture or fusion beats beat to beat variability of the QRS morphology very wide complexes (> 140 ms) the same morphology in tachycardia as in ventricular ectopics history of ischaemic heart disease absence of any rS, RS or Rs complexes in the chest leads (2) concordance (chest leads all positive or negative)
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||09:38, 21 February 2012||3,292 × 1,887 (5.96 MB)||DarrelC|
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