Idiopathic orthostatic hypotension.
D001344:Autopsy; D001369:Axons / Q000473:pathology; D005725:Ganglia, Autonomic / Q000473:pathology; D006333:Heart Failure / Q000150:complications / Q000601:surgery; D006801:Humans; D007024:Hypotension, Orthostatic / Q000175:diagnosis* / Q000209:etiology / Q000473:pathology*; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D010300:Parkinson Disease / Q000473:pathology; D013116:Spinal Cord / Q000473:pathology