title: A Narrow QRS Tachycardia-What Is the Diagnosis?
authors.affiliation: Department of Cardiology, National Heart Centre Singapore, Singapore.
authors.forename: Phong Teck
authors.initials: PT
authors.lastname: Lee
authors.affiliation: Department of Cardiology, National Heart Centre Singapore, Singapore.
authors.forename: Paul Chun Yih
authors.initials: PC
authors.lastname: Lim
authors.affiliation: Department of Cardiology, National Heart Centre Singapore, Singapore.
authors.forename: Chi Keong
authors.initials: CK
authors.lastname: Ching
mesh_terms: D002037:Bundle-Branch Block / Q000150:complications* / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004562:Electrocardiography / Q000379:methods*; D006801:Humans; D008297:Male; D008875:Middle Aged; D017180:Tachycardia, Ventricular / Q000150:complications* / Q000175:diagnosis*