title: A narrow QRS tachycardia in a 40-year-old woman.
authors.affiliation: Division of Cardiology, Beth Israel Deaconess Medical Center, Boston, Massachusetts; Cardiovascular Research Institute, Maastricht, The Netherlands. Electronic address: mjoseph2@bidmc.harvard.edu.
authors.forename: Mark E
authors.initials: ME
authors.lastname: Josephson
authors.affiliation: Cardiovascular Research Institute, Maastricht, The Netherlands.
authors.forename: Hein J
authors.initials: HJ
authors.lastname: Wellens
mesh_terms: D000328:Adult; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D013610:Tachycardia / Q000175:diagnosis / Q000503:physiopathology*