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28 Cards in this Set

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Myringotomy
incision of tympanic membrand to relieve pressure & prevent tear by spontaneous rupture
nystagmus
constant jerky movements of eyeball
opisthotonos
involuntary arching of the back caused by muscle contractions (as in meningitis)
papilledema
edema of the optic nerve
paroxysmal
sudden, periodic
partial seizures
jerking may begin in one area of body; person stays awake & aware
petit mal
absence seizures; cause temporary loss of awareness
postictal
following a seizure
posturing
pathological postures seen with severe brain injuries
retinoblastoma
malignant tumor of retina
sepsis
bacteremia; bacteria in bloodstream that cause severe systemic response
status epilepticus
prolonged seizure that can result in brain hypoxia & does not respond to treatment for 30 minutes or more
strabismus
crossed eyes; squint
tonic movement
stiffening (contraction) of muscles
amyblyopia
lazy eye
athetosis
involuntary, purposeless movements that interfere w/normal motion
clonic movement
alternating contraction & relaxation of muscles
dyslexia
reading disability involving defect in cortex of brain that processes graphic symbols
encephalopathy
pathology of the brain
enuncleation
to remove somthing surgically (i.e., removal of the eye)
extensor posturing
all 4 limbs are extended & hands are pronated; may indicate brainstem injury
flexor posturing
arms, wrists & fingers are flexed; plantar flexion occurs in the feet; may indicate damage to cortex of brain
generalized seizures
loss of consciousness; most common is tonic-clonic or grand mal
grand mal
generalized seizure w/3 distinct phases: an aura, a tonic/clonic seizure, followed by postictal lethargy
hyperopia
far sightedness
hyphema
presence of blood in anterior chamber of eye
idiopathic
unknown cause (i.e., idiopathic epilepsy)
Ketogenic diet
high in fats & low in carbs; produces ketoacidosis which appears to reduce convulsive episodes