Peripheral neuropathy Flashcards

1
Q

thumb and index finger root

A

C6

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2
Q

ring and little finger root

A

C8

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3
Q

knee caps

A

L4 “down on all 4s”

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4
Q

lateral foot, small toe

A

S1 “the smallest 1”

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5
Q

dorsum of foot (except lateral aspect)

A

L5

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6
Q

genitalia

A

S2,3

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7
Q

carpal tunnel neuropathy

A

median nerve

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8
Q

median nerve

A

C6-T1

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9
Q

cubital tunnel neuropathy

A

unlar nerve

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10
Q

opens the fist

A

radial nerve

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11
Q

clinical signs of phrenic nerve neuropathy

A

orthopnoea and raised hemidiaphragm on CXR

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12
Q

sciatic n

A

L4-S3

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13
Q

common perineal neuropathy

  • where’s it at risk
  • signs
A

risk of damage as it winds round neck of fibula
foot drop
sensory loss dorsum of foot

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14
Q

motor supply to posterior leg

A

tibial

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15
Q

sensory supply to posterolateral leg and sole

A

tibial

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16
Q

mononeuritis multiplex

A
2+ peripheral nerves affected
Causes:
WARDS PLC
Wegners
Amyloidosis
RA
Diabetes
SLE
PAN
Leprosy
Carcinomatosis
17
Q

Guillan-Barre classic cause

A

campylobacter

18
Q

Important to monitor ? in Guillan-Barre

A

FVC

19
Q

Elevated ? in GB

A

CSF protein

20
Q

main causes axonal neuropathy

A

diabetes

alcohol

21
Q

other causes axonal neuropathy

A

drugs
- phenytoin, amiodarone, chemotherapy
metabolic
- b12/folate deficiency, chronic uraemia, hypothyroidism

22
Q

erectile dysfunction tx diabetic neuropathy

A

sildenafil

23
Q

gastroparesis tx diabetic neuropathy

A

erythromycin - increases gastric emptying

24
Q

what pathway is usually affected first in b12/folate neuropathy

A

dorsal column

25
Q

complication of b12 deficiency

A

subacute combined degeneration of the cord

26
Q

Guillan-Barre pathophysiology

A

immune mediated attack on myelin sheath/schwann cells

27
Q

usually comes before muscle weakness in GB

A

paraesthesia hands and feet