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NUR 265 Exam 3 – Questions Answered With
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Terms in this set (231)
What is encephalitis? inflammation or infection of the brain
What causes encephalitis? West Nile Virus
Herpes
What are the s/s of encephalitis? High fever, N/V, stiff neck
Flu like symptoms
change in LOC
photophobia
pupil changes (dilate & less responsive to light)
What is used to dx encephalitis? lumbar puncture
EEG
CT (looks for mass)
What are N/I for encephalitis? Neuro checks
Monitor for s/s of ICP
Suction only resp compromised
HOB 30-45
Decrease stimuli
What is the tx for encephalitis? acyclovir
What are complications from ICP that leads to herniation of brain tissue or death
encephalitis?
,What is myasthenia gravis? Autoimmune disorder that is characterized by
weakness in the muscles
What causes myasthenia gravis? lack of Ach receptor sites, leads to lack of nerve
impulses
What are s/s of myasthenia gravis? difficulty holding up head or brushing teeth
double vision
ptosis
dysphagia
loss of bowel & bladder control
decrease sense of smell & taste
How is myasthenia gravis diagnosed? tensillon test.
s/s improve with Edrophonium .
How does edrophonium work? w/in 30-60sec of 1st dose, most show lots of
improvement, lasts 4-5mins
What are n/i for myasthenia gravis? assess adls, speech & facial weakness
resp support
keep oxygen equipment & suction at bedside for r/f
of resp distress
promote mobility
What is tx for myasthenia gravis? plasmapherisis
anticholinesterases (pyridostigmine)
immunosuppressants
What is cholinergic crisis? too much cholinesterase inhibitor drug
What are s/s of cholinergic crisis? fasciculations
hypersalivation
sweating
bronchospasms
increase bronchial secretions
bradycardia
, What is tx for cholinergic crisis? atropine
DO NOT GIVE ANTICHOLINESTERASE
What is myasthenic crisis? too little cholinesterase inhibitor drug
What is the priority with myasthenic resp function
crisis?
What are s/s of myasthenic crisis? increase HR, RR, BP
decrease u/o
no cough or swallow reflex
dry
What time should ChE inhibitor be 45-1hr before meals to avoid aspiration
given?
What can tensilon test cause? cardiac dysrhythmias, have atropine on hand
What is nursing priority with maintain airway, may require to intubate
myasthenic crisis?
What is Guillain-Barre? an uncommon acute inflammatory disorder that
affects axons and/or myelin sheath (neurons can't
impulse)
where does Guillain Barre Syndrome -Starts in feet and hands (numbness, tingling)
start
What are causes of Guillain Barre? bacterial infection
influenza
epstein barr
zika