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Unformatted text preview: Spinal Shock o Severe damage to spinal cord o Loss/depression of function below level of lesion o Sensory impairment below level of lesion o Flaccid paralysis o Depression of segmental reflexes o Autonomic changes (loss of sympathetic tone) o Lasts <24hrs to 4/6wks o Gradual recovery & shows normal lesion signs o Early phase of spinal shock: Loss of all reflexes below lesion level Loss of sympathetic tone: skin vessels dilate, skin warm, pink, no sweating, dry Loss of descending control: hypothermia, shivering Blood pressure effects Dilation of peripheral vasculature Autonomic Dysreflexia o Loss of central control of autonomic reflexes (UMN lesions) o Autonomic hyperreflexia exaggerated response to mild stimuli o Increase in heart rate may occur prior to baroreceptor reflex modulation of parasympathetic activity...
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- Fall '10