title: Unusual QRS pattern in pervenous right ventricular pacing.
authors.forename: W S
authors.initials: WS
authors.lastname: Lee
authors.forename: D F
authors.initials: DF
authors.lastname: Lee
authors.forename: F T
authors.initials: FT
authors.lastname: Chen
authors.forename: T C
authors.initials: TC
authors.lastname: Wu
mesh_terms: D000368:Aged; D002037:Bundle-Branch Block / Q000209:etiology*; D002304:Cardiac Pacing, Artificial; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged