title: Operational definition of normal sinus heart rate.
authors.affiliation: Cardiology Division, St. Vincent Hospital, Worcester, Massachusetts 01604.
authors.forename: D H
authors.initials: DH
authors.lastname: Spodick
authors.forename: P
authors.initials: P
authors.lastname: Raju
authors.forename: R L
authors.initials: RL
authors.lastname: Bishop
authors.forename: R D
authors.initials: RD
authors.lastname: Rifkin
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D016014:Linear Models; D008297:Male; D008875:Middle Aged; D012016:Reference Values