title: Narrow QRS complexes during wide QRS tachycardia: what is the mechanism?
authors.affiliation: Department of Cardiology, King Edward Memorial Hospital, Mumbai, India. amvora@hotmail.com
authors.forename: A
authors.initials: A
authors.lastname: Vora
authors.forename: Y
authors.initials: Y
authors.lastname: Lokhandwala
mesh_terms: D000328:Adult; D002037:Bundle-Branch Block / Q000175:diagnosis* / Q000503:physiopathology; D003937:Diagnosis, Differential; D004562:Electrocardiography; D006801:Humans; D008297:Male; D013611:Tachycardia, Atrioventricular Nodal Reentry / Q000175:diagnosis / Q000503:physiopathology; D013617:Tachycardia, Supraventricular / Q000175:diagnosis* / Q000503:physiopathology; D018879:Ventricular Premature Complexes / Q000175:diagnosis / Q000503:physiopathology