Demyelination Flashcards

1
Q

Classifications of MS

A

Relapsing-remitting

Primary Progressive

Secondary progressive

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2
Q

The diagnostic criteria for MS is called____

A

The McDonald criteria

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3
Q

Diagnostic criteria for MS

A

Dissemination in time
- New lesion

Dissemination in space
- Lesion in >1 area

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4
Q

Risk factors for MS

A

White, woman

EBV infection

Smoking

Age 30-40

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5
Q

An electrical sensation down the spine/limbs emitted by neck flexion is called ______

A

Lhermitter sign

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6
Q

LP findings for MS will show _____

A

Oligoclonal IgG bands

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7
Q

Clinically isolated syndrome describes…

A

An acute episode of demyelination with neurological signs/symptoms

  • That does not fulfil criteria for DIT and DIS.
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8
Q

Ocular features of MS

A

Optic neuritis

  • Central scotoma.
  • Pain on eye movement
  • Impaired colour vision
  • Relative afferent pupillary defect
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9
Q

Spinal cord features of MS [5]

A

Paresthesia

Limb weakness

Urinary/ bowel dysfunction

Sensory ataxia

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10
Q

Brain stem/ cerebellar features of MS [5]

A

Vertigo

Gair ataxia

Facial paresis

Tremor

Bulbar symptoms

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11
Q

Acute treatment of MS relapses

A

Methylprednisolone:

500mg PO for 5 days

2nd line
- 1g IV for 3–5 days

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12
Q

Management of spasticity in MS

A

Baclofen

Gabapentin

Physiotherapy

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13
Q

Focal, sensory symptoms in MS [4]

A

Lhermitte’s sign

Trigeminal neuralgia

Numbness

Paraesthesia (pins and needles)

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14
Q

Focal weakness features in MS [4]

A
  • Bells palsy
  • Horners syndrome
  • Limb paralysis
  • Incontinence
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15
Q

CN6 lesion in MS can present as _______

A

Intranuclear opthalmalpegia

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16
Q

Intranuclear opthalmaplegia describes…

A

Inability to carry out conjugate eye movement due to damaged of nuclei in between CN3 and CN6

  • The affected eye will show impaired adduction.
  • Causes double vision
17
Q

In intranuclear opthalmaplegia the affected eye fails to _______ and the unaffected eye ______ with _______

A

Affected eye does not adduct

Unaffected eye can abduct but has nystagmus

18
Q

Neuropathic pain in MS can be managed with…

A

Amitriptyline

19
Q

Beta-interferon can be used in MS to…

A

Reduce the number of relapse episodes