Multiple Sclerosis Flashcards

1
Q

MS is an idiopathic disorder exclusively of ______) ___ matter. MS is more common in____ who live in ___climates.

A

CNS (brain and cord) white

white women
colder

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2
Q

The most common presentation is

A

focal sensory symptoms
+
gait and balance problems.

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3
Q

CxFx MS general rule:

A

multiple neurological deficits of the CNS affecting any aspect of CNS functioning

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4
Q

2° most common presentation

A

optic neuritis: Blurry vision or visual disturbance

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5
Q

3° most common presentation

A

motor and sensory abnormalities

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6
Q

The least common abnormalities are____

A

cognitive defects and dementia

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7
Q

Sexual function in MS _____

A

remains relatively intact

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8
Q

______, characteristic of MS., is the inability to adduct one eye with nystagmus in the other eye.

A

Internuclear ophthalmoplegia (INO)

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9
Q

Other findings: of MS

A

Fatigue
Spasticity and hyperreflexia
Cerebellar deficits

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10
Q

the best initial test

A

MRI is both the best initial test and the most accurate test.

SHOWS: MS plaques appear white and are exclusively in the white matter

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11
Q

Lumbar puncture shows
Protein:
WBC
and something else…

A

mild elevation in protein
fewer than 50 to 100 WBCs.
Oligoclonal bands (85% but NOT specific of MS)

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12
Q

Oligoclonal bands are the answer in the 3% to 5% of patients with an _____.

A

equivocal or nondiagnostic MRI

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13
Q

Visual and auditory evoked

potentials are

A

always the wrong

answer.

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14
Q

best initial therapy for acute exacerbations of disease

A

High-dose steroids

shorten the duration of
exacerbation.

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15
Q

Drugs That Prevent Relapse and Progression

A
Glatiramer: copaxone 
avonex rebif: Beta-interferon
Ocrevus: Ocrelizumab (anti-CD20)
ORAL: Gilenya® (fingolimod)
dimethyl fumarate (tecfidera)
Tysabri :Natalizumab*************
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16
Q

This drug is used because it increases walking

distance.

A

Dalfampridine (ampira)

17
Q

A patient develops worsening neurological deficits with the use of a chronic suppressive medication. The MRI shows new, multiple white matter hypodense lesions. Dx?

A

progressive multifocal leukoencephalopathy (PML).

18
Q

progressive multifocal leukoencephalopathy (PML). what causes this?

A

Tysabri :Natalizumab

19
Q

_________ are the best first choice for prevention of relapse.

A

Glatiramer and beta-interferon