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Neuro > Peripheral Neuropathy > Flashcards

Peripheral Neuropathy Flashcards

1
Q

What are the mechanisms of peripheral neuropathy

A 
Demyelination
Axon damage
Nerve compression
Vasanervosum infarction
Cut Nerves (Walleran degeneration)
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2
Q

What diseases cause peripheral neuropathy

A 
Guillian Barre
B12 Deficiency
DMT2
Surgery
Pathologies
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3
Q

What is Mononeuropathy

A

Single nerve neuropathy

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4
Q

What is Mononueuritis Multiplex (WARDS PLC)

A

Multiple individual nerve neuropathy

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5
Q

What is Polyneuropathy

A

Diffuse neuropathy

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6
Q

What are the WARDS PLC causes of Mononeruritis Multiplex

A 
Wegeners
AIDS
RA
DMT1
Sarcoidosis
Polyarteritis nodosa
Leprosy
Carcinomas
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7
Q

What are some examples of Mononeuropathy causes

A

Carpal tunnel syndrome
Radial/ Ulnar nerve palsy
Sciatica

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8
Q

What causes Carpal tunnel syndrome

A

Compressed Median nerve (C6-T1) through carpal tunnel

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9
Q

What are the roots of the median nerve

A

C6-T1

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10
Q

What are the RF/Causes of CTS

A 
Female
Hypothyroid
Acromegaly
Pregnancy
RA 
Obesity
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11
Q

How does CTS present

A

Grip weakness and aching arms
Hand paraesthesia
Wasting of thenar eminence
Worse pain at night

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12
Q

What two tests are done to check for CTS

A 
Phalen test (Fist Flexion = paraethesia and pain)
Tinel test (Tapping = Tingle at wrist)
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13
Q

How can CTS be managed

A

Wrist splint at night
Steroid injection
Surgical decompression

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14
Q

Radial nerve palsy is associated with what nerve roots

A

C5-T1

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15
Q

How does radial nerve palsy present

A

Radial Wrist drop

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16
Q

How is Radial/Ulnar nerve palsy managed

A

Splint and analgesia

17
Q

Ulnar nerve palsy is associated with what nerve roots

A

C8 + T1

18
Q

How does ulnar nerve palsy present

A

Claw hand (4th and 5th fingers)

19
Q

What is sciatica

A

L5/S1 lesion caused by

  • IV disc herniation
  • Piriformis Syndrome
  • Pregnancy
20
Q

What are the presentations of Sciatica

A

Buttock to lateral leg to pinky toe pain
Absent Ankle jerk (S1)
Weak plantar flexion

21
Q

How is Sciatica investigated

A

Pain w/ Straight leg test
Can’t raise leg
MRI Spinal cord

MRI SC = Diagnosis

22
Q

How is Sciatica treated

A

Analgesia and Physio

Neurosurgery

23
Q

How are Polyneuropathies distributed

A

Glove and Stocking

24
Q

What is the MC Motor Polyneuropathy

A

Guillian Barre

25
Q

What is the MC Sensory polyneuropathy

A

Diabetic Neuropathy

26
Q

How are polyneuropathies investigated

A 
Find the cause
Bloods
Serology
ESR/CRP
.........
27
Q

How can polyneuropathies be traeted

A

Analgesia (TCA) AND treating the cause

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