title: [Characteristics of cerebral hemodynamics and sympathetico-vascular reactivity in patients with orthostatic syncope].
mesh_terms: D000328:Adult; D001808:Blood Vessels / Q000503:physiopathology*; D001921:Brain / Q000098:blood supply; D002560:Cerebrovascular Circulation; D006439:Hemodynamics; D006801:Humans; D008297:Male; D010992:Plethysmography, Impedance; D013564:Sympathetic Nervous System / Q000503:physiopathology*; D013575:Syncope / Q000503:physiopathology*
vernacular_title: Osobennosti tsebral'noĭ gemodinamiki i vegetativno-sosudistoĭ reaktivnosti u bol'nykh s ortostaticheskimi obmorokami