title: ECG of the month. Vignettes in electrocardiography: exploring initial QRS forces--a diagnostic clue to wide QRS tachycardia.
authors.affiliation: Department of Cardiology, St Stephens Hospital, Tis Hazari, Delhi 110054. sachinnay@yahoo.co.in
authors.forename: Sachin
authors.initials: S
authors.lastname: Nayyar
authors.forename: Mohan
authors.initials: M
authors.lastname: Nair
mesh_terms: D000368:Aged; D001282:Atrial Flutter / Q000175:diagnosis* / Q000503:physiopathology; D002037:Bundle-Branch Block / Q000175:diagnosis* / Q000503:physiopathology; D004562:Electrocardiography; D006801:Humans; D008297:Male; D017180:Tachycardia, Ventricular / Q000175:diagnosis* / Q000503:physiopathology