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Neuro
vocab
39
Nursing
Undergraduate 1
10/08/2011

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Term
autonomic dysreflexia
Definition
exaggerated sympathetic nervous system response resulting from a spinal cord injury above T6. Characteristics include severe hypertension, slow heart rate, pounding headache, nausea, blurred vision, flushed skin, sweating, goose bumps, nasal stuffiness, & anxiety
Term
increased intracranial pressure
Definition
the cranium is made up of brain tissue, blood, and cerebral spinal fluid. If one or more if these increases significantly without a decrease in either of the other two, ICP becomes elevated
Term
Cushing’s triad
Definition
3 signs associated with an increase in intracranial pressure, which include: pulse increase initially but then decreases, systolic BP rises, & pulse pressure widens
Term
Cheyne-Stokes respirations
Definition
pattern of respirations in which shallow, rapid breathing is followed by a period of apnea
Term
nuchal rigidity
Definition
pain & stiffness of the neck & inability to place chin on chest
Term
kernig’s sign
Definition
inability to extend the leg when the thigh is flexed on the abdomen
Term
brudzinski’s sign
Definition
assessment finding in which flexion of the neck produces flexion of the knees & hips
Term
diplopia
Definition
double vision
Term
nystagmus
Definition
uncontrollable oscillating movements of the eyeball
Term
ptosis
Definition
drooping of the eyelids
Term
parkinsonism
Definition
clusters of Parkinson-like symptoms that develop from several etiologies
Term
bradykinesia
Definition
slowness in performing spontaneous movements
Term
decorticate
Definition
position in which the arms are flexed & the fists are clenched, & the legs extended following neurologic trauma
Term
decerebrate
Definition
position in which the extremities are stiff & ridgid following neurologic trauma
Term
extrapyramidal movements
Definition
Movement disorders associated with certain orescribes drugs
Term
choreiform movements
Definition
uncontrollable writhing & twisting of the body
Term
spinal shock (areflexia)
Definition
loss of sympathetic reflex activity below the level of injury within 30-60 minutes of a spinal injury
Term
paresthesia
Definition
sensation of numbness & tingling
Term
absence/petit mal seizure
Definition
seizures which last a few seconds and are characterized by a brief loss of consciousness during physical activity
Term
partial seizure
Definition
electrical activity only remains in part of the brain cuasing the pt to seize. may evebtually lead to generalized seizures
Term
tonic clonic/grand mal seizure
Definition
characterized by a sequence of events that starts with a precictal phase (feeling of vauge emotional changes before seizure occurs). this phase can last for hours or minutes and is followed by an aura(odor or smell) that occurs right before the seizure occurs.
Term
hemiplegia
Definition
paralysis on one side of the body
Term
quadriplegia
Definition
paralysis of all the extremities when there is a high cervical spine injury
Term
expressive aphasia
Definition
neurologic impairment of a person’s ability to speak
Term
receptive aphasia
Definition
neurological impairment of a person’s ability to understand spoken & written language
Term
cerebral spinal fluid
Definition
surrounds the brain and spinal tissue and acts as a cushion to protect them
Term
cephalalgia
Definition
aching in the head
Term
transient ischemic attack
Definition
sudden, brief fleeting attacks of neurologic impairment caused by a temporary interruption in cerebral blood flow
Term
aneurysm
Definition
stretching & bulging of an arterial wall, usually caused by weakening of the vessel
Term
concussion
Definition
injury resulting from a blow to the head that jars the brain & results in diffuse & microscopic injury to it
Term
contusion
Definition
soft tissue injury resulting from a blow or blunt trauma; injury to the head that leads to gross structural injury to the brain & results in bruising & sometimes hemorrhage of superficial cerebral tissue
Term
cerebral hematoma
Definition
bleeding in the skull that forms an expanding lesion
Term
open head injury
Definition
injury to the head in which the scalp, bony cranium, & dura mater are exposed
Term
closed head injury
Definition
injury in the head in which an intact layer of the scalp covers the fractured skull
Term
stuporous
Definition
the patient is aroused by only vigorous and continuous stimulation with manipulation or strong auditory or visual stimuli. May cause the patient to say one or two words
Term
semicomatose
Definition
the patient is unresponsive except to mild painful stimuli which causes the patient to move or groan & mutter
Term
periorbital ecchymosis
Definition
condition in which both eyes are blackened AKA “raccoon eyes”
Term
halo sign
Definition
blood strain surrounded by a yellowish stain, highly suggests a cerebrospinal fluid leak
Term
somnolent
Definition
the patient is drowsy or sleepy at times when it is inappropriate but can be aroused only to fall asleep again. patient responds slowly to questions and speaks incoherently, but is able to respond appropriately to painful stimuli
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