autonomic hyperreflexia

Also found in: Dictionary, Encyclopedia.
Related to autonomic hyperreflexia: Munchausen syndrome

autonomic hyperreflexia

a neurological disorder characterized by a discharge of sympathetic nervous system impulses as a result of stimulation of the bladder, large intestine, or other visceral organs. It occurs in persons with certain spinal cord injuries. Symptoms may include bradycardia, profuse sweating, headache, and severe hypertension.

autonomic dysreflexia

A potentially life-threatening condition most common in patients with spinal cord injuries above T6, but which may occur with lesions as low as T10.

Clinical findings
Severe paroxysmal hypertension accompanied by throbbing headaches, profuse sweating, nasal stuffiness, flushing of the skin above thelesion, bradycardia, apprehension and anxiety.

autonomic hyperreflexia

Neurology An exuberant autonomic response to various insults Etiology Upper spinal cord injury, cystoscopy or distention of bladder or colon Clinical HTN, sweating, bradycardia, severe headache

au·to·no·mic dys·re·flex·ia

(aw'tō-nom'ik dis-rē-flek'sē-ă)
A syndrome occurring in some people with spinal cord lesions resulting from functional impairment of the autonomic nervous system. Symptoms include hypertension, bradycardia, severe headaches, pallor below and flushing above the cord lesion, and convulsions.
Synonym(s): autonomic hyperreflexia.
[G. autos, self + nomos, law; dys, difficult at + L. reflectere, to bend back]
References in periodicals archive ?
autonomic hyperreflexia (also known as dyreflexia): condition that can occur in people with an SCI with a complete or incomplete lesion above T6; produces an exaggerated autonomic response to irritating stimuli to the skin and viscera below the level of spinal-cord damage.
Autonomic hyperreflexia (also called autonomic dysrefIexia, autonomic stress syndrome, or the mass reflex) may occur in patients with injury at or above the TIO level, especially above T6.
Difficulty with bowel evacuation sometimes caused autonomic hyperreflexia (elevated blood pressure, sweating, and pounding headache) and was frequently the cause of trips to an emergency room for the manual extraction of stool.

Full browser ?