title: Rate (acceleration)-related left bundle branch block: degrees of LBBB.
authors.affiliation: Cardiology Division, St. Vincent Hospital, University of Massachusetts Medical School, Worcester, MA 01608, USA.
authors.forename: David H
authors.initials: DH
authors.lastname: Spodick
mesh_terms: D000368:Aged; D002037:Bundle-Branch Block / Q000503:physiopathology*; D004562:Electrocardiography; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D008297:Male