title: [Characteristics of the transitional process of heart rhythm during an active orthostatic test in middle-aged and elderly subjects].
authors.forename: O V
authors.initials: OV
authors.lastname: Korkushko
authors.forename: V B
authors.initials: VB
authors.lastname: Shatilo
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000375:Aging / Q000187:drug effects / Q000502:physiology*; D001285:Atropine; D001341:Autonomic Nervous System / Q000187:drug effects / Q000502:physiology; D006339:Heart Rate / Q000187:drug effects / Q000502:physiology*; D006801:Humans; D008875:Middle Aged; D011187:Posture / Q000502:physiology*; D011433:Propranolol; D013997:Time Factors
chemical_list: D001285:Atropine; D011433:Propranolol
vernacular_title: Osobennosti perekhodnogo protsessa serdechnogo ritma pri aktivnoĭ ortostaticheskoĭ probe u liudeĭ pozhilogo i starcheskogo vozrasta.