title: Alternating narrow and wide complex tachycardia.
authors.affiliation: Electrophysiology Service, Department of Medicine, Montreal Heart Institute, Montreal, Quebec, Canada.
authors.forename: Paul
authors.initials: P
authors.lastname: Khairy
authors.forename: Peter G
authors.initials: PG
authors.lastname: Guerra
authors.forename: Bernard
authors.initials: B
authors.lastname: Thibault
authors.forename: Marc
authors.initials: M
authors.lastname: Dubuc
authors.forename: Denis
authors.initials: D
authors.lastname: Roy
authors.forename: Mario
authors.initials: M
authors.lastname: Talajic
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D004562:Electrocardiography; D005260:Female; D006801:Humans; D013611:Tachycardia, Atrioventricular Nodal Reentry / Q000175:diagnosis* / Q000503:physiopathology; D017180:Tachycardia, Ventricular / Q000175:diagnosis* / Q000503:physiopathology