title: Chronotropic incompetence. The implications of heart rate response to exercise (compensatory parasympathetic hyperactivity?)
authors.forename: M H
authors.initials: MH
authors.lastname: Ellestad
mesh_terms: D003327:Coronary Disease / Q000175:diagnosis*; D005080:Exercise Test; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D005082:Physical Exertion; D012849:Sinoatrial Node / Q000502:physiology*