autonomic failure

autonomic failure

A condition characterised by sympathetic and often parasympathetic failure. AF can be divided into primary, secondary and drug-induced forms, with considerable overlap.
 
Aetiology
AF may be evoked by or associated with ageing, alcohol consumption, carcinomatous autonomic neuropathy, CNS disease, dopamine beta-hydroxylase deficiency, familial dysautonomia (Riley-Day syndrome), idiopathic orthostatic hypotension, Parkinson’s disease, and Shy-Drager syndrome.

Clinical findings
Syncope, orthostatic hypotension.

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autonomic failure

Neurology A condition characterized by sympathetic and often parasympathetic failure; Clinical Syncope, orthostatic hypotension; AF can be divided into 1º, 2º, and drug-induced forms with considerable overlap Etiology AF may be evoked by or associated with aging, alcohol imbibition, carcinomatous autonomic neuropathy, CNS disease, dopamine β-hydroxylase deficiency, familial dysautonomia or Riley-Day syndrome, idiopathic orthostatic hypotension, Parkinson's disease, Shy-Drager syndrome. See Baroreflex failure.

McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.