title: Wide complex tachycardia with RR and QRS alternans: what is the mechanism?
authors.affiliation: Hull Family Cardiac Fibrillation Management Laboratory, Toronto General Hospital, University Health Network, Toronto, Canada. saraja79@yahoo.com
authors.forename: Anandaraja
authors.initials: A
authors.lastname: Subramanian
authors.forename: Raja J
authors.initials: RJ
authors.lastname: Selvaraj
authors.forename: Krishnakumar
authors.initials: K
authors.lastname: Nair
authors.forename: Kumaraswamy
authors.initials: K
authors.lastname: Nanthakumar
mesh_terms: D003937:Diagnosis, Differential; D004562:Electrocardiography / Q000379:methods*; D005260:Female; D006329:Heart Conduction System / Q000002:abnormalities*; D006801:Humans; D008875:Middle Aged; D017180:Tachycardia, Ventricular / Q000175:diagnosis*