title: Tachycardias: one or two?
authors.affiliation: Division of Cardiology, Department of Medicine, University Health Network, Toronto General Hospital, Toronto, Canada.
authors.forename: Satish C
authors.initials: SC
authors.lastname: Toal
authors.forename: Louise
authors.initials: L
authors.lastname: Harris
authors.forename: Douglas
authors.initials: D
authors.lastname: Ing
mesh_terms: D000368:Aged; D004562:Electrocardiography; D006801:Humans; D013610:Tachycardia / Q000175:diagnosis* / Q000503:physiopathology