title: The analysis of heart rate variability does not provide a reliable measurement of cardiac sympathetic activity.
authors.affiliation: Department of Pathophysiology, University of Essen Medical School, FRG.
authors.forename: A
authors.initials: A
authors.lastname: Skyschally
authors.forename: H W
authors.initials: HW
authors.lastname: Breuer
authors.forename: G
authors.initials: G
authors.lastname: Heusch
mesh_terms: D000328:Adult; D001285:Atropine / Q000494:pharmacology; D001794:Blood Pressure / Q000187:drug effects / Q000502:physiology; D002395:Catecholamines / Q000494:pharmacology; D004562:Electrocardiography; D005080:Exercise Test; D006321:Heart / Q000294:innervation*; D006339:Heart Rate / Q000187:drug effects / Q000502:physiology*; D006801:Humans; D008297:Male; D010276:Parasympatholytics / Q000494:pharmacology; D011187:Posture; D015203:Reproducibility of Results; D013564:Sympathetic Nervous System / Q000502:physiology*
chemical_list: D002395:Catecholamines; D010276:Parasympatholytics; D001285:Atropine