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nerologic week 1 part 2
na
14
Medical
Professional
11/06/2010

Additional Medical Flashcards

 


 

Cards

Term
wallerian degeneration
Definition
distal axons lost trophic factors -> die
Term
erb's palsy
Definition
upper plexus injury
C5 and C6 -> upper trunk
lose motor and sensory
waiter's tip hand
- shoulder muscle (infraspinatus), biceps, wrist extensor (extensory carpi radialis)
Term
Klumke's palsy
Definition
lower plexus injury
C8 and T1 -> lower trunk
claw hand
functional arm
Term
sxs of carpal tunnel syndrome
Definition
nocturia dysesthesia
exacerbated by activity stressful to hand
lose grip strength (opponent pollicis)
atrophy and thenar muscle
Term
diagnostic test for carpal tunnel syndrome
Definition
phallen's sign
tinel's sign
Term
neurogenic claudication
Definition
compression on cauda equina
Term
myelomeningocele and sxs
Definition
failure of cord folding and separation
dysfunction below lesion
hydrocephalus
cerebellum herniation -> chiari II malformation (breathing and swallowing difficulties)
Term
syringomyelia
Definition
CSF in the middle of spinal cord
Chiari malformation, trauma in spinal cord, intrinsic tumor in spinal cord
central cord syndrome in cervical region
Term
anterior cord syndrome
Definition
damage to anterior spinal artery
lose: bilateral motor and pain
perserve: bilateral proprioception
very poor prognosis
Term
brown-sequard syndrome
Definition
damage to one half of spinal cord
lose: ipsilateral motor and proprioception, contralateral painful touch
Term
central cord syndrome
Definition
injure middle of spinal cord
- central gray matter, crossing fiber of spinothalamic tract, some medial fiber of cortiospinal tract
dysesthestic pain bilateral
magician's cape like, and burning sensation of hands bilaterally
loss of UE motor function
Term
lesion on conus medulla
Definition
less pain
more symmetric loss of motor function
dysfunction of bladder and bowel function
affect sacral reflexes only
Term
lesion on cauda equina
Definition
more like nerve root compression
more pain,
asymmetic loss of motor function
loss of bowel and bladder function only when lower extremities have profound loss of function
affect lumbar and sacral reflexes
Term
management of spinal cord injury
Definition
ABC
prevent neurogenic shock
immobilize spine
initial assessment
incomplete and progressively worsening injury -> early operative decompression and stabilization
aggressive rehabilitation
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