title: Redefinition of normal sinus heart rate.
authors.affiliation: Cardiology Division, St. Vincent Hospital, Worcester, MA 01604.
authors.forename: D H
authors.initials: DH
authors.lastname: Spodick
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D012016:Reference Values; D012849:Sinoatrial Node / Q000502:physiology*