title: [Bioelectric activity of the myocardium during the passive orthostatic test].
mesh_terms: D000328:Adult; D004562:Electrocardiography; D006321:Heart / Q000502:physiology*; D006801:Humans; D011187:Posture; D011674:Pulse
vernacular_title: Izuchenie bioélektricheskoĭ aktivnosti miokarda pri passivnoĭ ortostaticheskoĭ probe