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autonomic dysreflexia |
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autonomic dysreflexia, a syndrome affecting persons with a spinal cord lesion above the midthoracic level (tetraplegics and some paraplegics) that is characterized by hypertension, bradycardia, severe headaches, pallor below and flushing above the cord lesions, and convulsions. It is the result of impaired function of the autonomic nervous system caused by simultaneous sympathetic and parasympathetic activity, such as may occur with bowel or bladder distension pain or a pressure ulcer. It is usually a medical emergency requiring care in an intensive care unit. A cerebrovascular accident and death may occur during an attack. See also autonomic hyperreflexia. autonomic dysreflexia Neurology A potentially life-threatening ↑ in BP, sweating, and other autonomic reflexes in reponse to various stimuli–eg, bowel impaction. See Autonomic failure. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Complications such as bone loss, sensory deficits, range-of-motion and flexibility limitations, heterotopic ossification, habitual compensatory behaviors, autonomic dysreflexia, orthostatic hypotension, and others may complicate the ability to provide LT safely and effectively, but the current literature has not addressed these points directly. Autonomic dysreflexia (AD) is due to noxious stimuli below the level of injury and is a common sequela of persons injured at T6 or higher (Young & Woolsey, 1995). Autonomic dysreflexia is an abnormal reflex which occurs in people with spinal cord injuries at the level of T6 and above. |
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