title: Transition of narrow into wide complex tachycardia with left bundle branch block morphology and varying QRS duration: what is the mechanism?
authors: Second Department of Internal Medicine and Cardiology Centre, University of Szeged, Hungary.
authors: Vassil Borislavov
authors: VB
authors: Traykov
authors: Róbert
authors: R
authors: Pap
authors: Gábor
authors: G
authors: Bencsik
authors: Attila
authors: A
authors: Makai
authors: László
authors: L
authors: Sághy
mesh_terms: D000328:Adult; D002036:Bundle of His / Q000503:physiopathology; D002037:Bundle-Branch Block / Q000175:diagnosis / Q000503:physiopathology*; D003937:Diagnosis, Differential; D004562:Electrocardiography; D022062:Electrophysiologic Techniques, Cardiac; D006801:Humans; D008297:Male; D013610:Tachycardia / Q000175:diagnosis / Q000503:physiopathology*