What is neuropraxia? - reduction or block of conduction across a nerve lesion
What is the prognosis of neruopraxia? - Good
What is an example of a conidtion of neuropraxia? - Saturday night palsy of the radial nerve
What type of nerve injury does Wallerian Degeneration occur? - Axonotemesis
What is neuropraxia? - ✔✔reduction or block of conduction across a nerve lesion
What is the prognosis of neruopraxia? - ✔✔Good
What is an example of a conidtion of neuropraxia? - ✔✔Saturday night palsy of the radial nerve
What type of nerve injury does Wallerian Degeneration occur? - ✔✔Axonotemesis
What is axonotemesis? - ✔✔interruption of the axonal continuity but the endoneurium
remains intact
What is the rate of regeneration? - ✔✔1mm/day or 1 inch/month
What is an example of axonotemesis? - ✔✔severe compression of nerve
What is the most severe form of nerve injury? - ✔✔neurotemesis
What structures are disrupted in neurotemesis? - ✔✔axon, myelin, and neural sheath
, What is destructed in a type 3 nerve injury? - ✔✔endoneurial tube = mismatch at the end plate
What type of nerve injury will benefit from sensory reeducation? - ✔✔Type 3
What occurs in a type 4 nerve injury? - ✔✔destruction of the perineurium
What occurs in a type 5 injury? - ✔✔complete nerve transection
Which type of nerve injury will require surgery? - ✔✔Neurotemesis
What are the motor symptoms of nerve compression? - ✔✔muscle ache and weakness;
severe compression = atrophy
What are the motor symptoms of comple laceration of a nerve? - ✔✔no muscle
function; muscle atrophy occurs after seeral weeks
What factor affect nerve regeneration? - ✔✔Age
proximal vs distal location of nerve
motor vs sensory nerves
compression vs transection of nerve
Is nerve regeneration better in kids or adults? - ✔✔kids
Proximal nerve injuries are ______________ than distal nerve injuries - ✔✔worse
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