Peripheral Nerve Injuries - p. 260-262 Flashcards

1
Q

the existence of two separate lesions along the same nerve create more severe symptoms than if only one lesion existed

A

double crush syndrome

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2
Q

isolated nerve lesion, associated with trauma and entrapment

A

mononeuropathy

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3
Q

abnormal growth of nerve cells asosociated conditions include vasculitis, AIDS, and amylodosis

A

neuroma

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4
Q

impairment of dysfunction of peripheral nerves, associated conditions include diabetic peripheral neruopathy, trauma, alcoholism

A

peripheral neuropathy

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5
Q

diffuse nerve dysfunction that is symmetrical and typically secondary to pathology and not trauma; associated conditions include Guillain-Barre syndrome, peripheral neropathy, use of neurotoxic drugs and HIV

A

polyneuropahty

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6
Q

Degeneration that occurs distally, sepcfically to the myelin sheath and axon

A

Wallerian degeneration

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7
Q

What are the grades of acute nerve injury from mildest to most severe?

A

Neurapraxia - mild form of injury
Axonotmesis - more severe
Neurotmesis - most severe form

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8
Q

In what grade of peripheral nerve injury is the axon, myelin, CT components all damaged or transected?

A

Neurotmesis

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9
Q

In what grade of peripheral nerve injury is damage irreversible with no possibility of regernation?

A

Neurotmesis

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10
Q

With surgical reattachment of transected nerves how fast do axons regenerate and does motor or sensory recover first?

A

one milimeter per day

Sensory recovers first

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11
Q

With axonotmesis how fast can the distal site of lesion regnerate?

A

one milimeter per day

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12
Q

How long does it take for complete recovery from neurapraxia?

A

4-6 weeks

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