title: Blocked atrial bigeminy.
authors.affiliation: Cardiology Division, St. Vincent Hospital, Worcester Medical Center, Worcester, MA 01608-1320, USA.
authors.forename: David H
authors.initials: DH
authors.lastname: Spodick
mesh_terms: D000368:Aged; D018880:Atrial Premature Complexes / Q000175:diagnosis* / Q000209:etiology; D001919:Bradycardia / Q000175:diagnosis* / Q000209:etiology; D002037:Bundle-Branch Block / Q000175:diagnosis* / Q000209:etiology; D004562:Electrocardiography; D005260:Female; D006333:Heart Failure / Q000150:complications; D006801:Humans