title: Syncope and wide QRS tachycardia.
authors: University of Western Ontario, London Health Sciences Centre, Arrhythmia Service, London, Ontario, Canada.
authors: Steen M
authors: SM
authors: Jensen
authors: Emoke
authors: E
authors: Posan
authors: Damian
authors: D
authors: Redfern
authors: Basilios
authors: B
authors: Petrellis
authors: George J
authors: GJ
authors: Klein
mesh_terms: D004562:Electrocardiography; D005260:Female; D006801:Humans; D008875:Middle Aged; D013575:Syncope / Q000209:etiology; D017180:Tachycardia, Ventricular / Q000175:diagnosis*