title: Alternating bundle branch block.
authors.affiliation: Sarver Heart Center, University of Arizona, Tucson, Arizona 85724, USA.
authors.forename: Julia H
authors.initials: JH
authors.lastname: Indik
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D002036:Bundle of His / Q000503:physiopathology*; D002037:Bundle-Branch Block / Q000503:physiopathology*; D004562:Electrocardiography; D005260:Female; D006801:Humans