title: Idiopathic orthostatic hypotension: clinical spectrum and prognosis.
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007024:Hypotension, Orthostatic / Q000175:diagnosis* / Q000401:mortality; D008297:Male; D008875:Middle Aged; D011379:Prognosis