title: Two-to-one bundle branch block during atrioventricular nodal reentrant tachycardia: what is the mechanism?
authors.affiliation: Division of Internal Medicine and Cardiology, National Naval Medical Center, Bethesda, Maryland, USA.
authors.forename: Helen S
authors.initials: HS
authors.lastname: Barold
authors.forename: Matthew
authors.initials: M
authors.lastname: Newman
authors.forename: Michael
authors.initials: M
authors.lastname: Flanagan
authors.forename: S Serge
authors.initials: SS
authors.lastname: Barold
mesh_terms: D000368:Aged; D001919:Bradycardia / Q000503:physiopathology; D002037:Bundle-Branch Block / Q000503:physiopathology*; D004562:Electrocardiography; D005260:Female; D006339:Heart Rate; D006801:Humans; D013611:Tachycardia, Atrioventricular Nodal Reentry / Q000503:physiopathology*