Misc Neuro Disorders Flashcards

1
Q

Where are the areas of demyelination associated with MS located?

A

scattered in the white matter of the brain, spinal cord, and optic nerve

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2
Q

What is the most frequent earliest manifestation of MS?

A

optic neuritis

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3
Q

Where does no population with a high risk for MS exist?

A

between latitudes 40N and 40S

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4
Q

Clinical course of MS changes so that a steady deterioration occurs, unrelated to acute relapses

A

Secondary progressive disease

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5
Q

MS course that is Less common, Steady progression from onset. Disability develops at a relatively early stage

A

Primary progressive disease

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6
Q

How many patients with MS is the MRI clinically definite?

A

85%

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7
Q

What can be helpful in diagnosing MS if MRI is inconclusive?

A

CSF- elevated IgG, protein, myelin antibodies

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8
Q

Mainstay of tx for acute MS exacerbations

A

corticosteroids

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9
Q

Pharm tx that can modify the course of MS

A

Immune modifiers-Interferon 1a, Interferon 1b, Glatiramer acetate

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10
Q

Immunosuppressants used for progressive MS

A

Methotrexate (Rheumatrex), Cyclophosphomide (Cytoxan), Mitoxantrone (Novantrone), Azathioprine (Imuran)

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11
Q

NOT caused by problems in the muscles or nerves. caused by abnormalities in parts of the brain that control muscle movements

A

cerebral palsy

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12
Q

secondary orthopedic deformities, such as hip dislocation and scoliosis of the spine, are commonc

A

cerebral palsy

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13
Q

most common type of CP

A

spastic (70%)

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14
Q

type of CP where patients have trouble holding themselves in an upright, steady position for sitting or walking

A

Athetoid or Dyskinetic CP

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15
Q

Type of CP characterized by Hypotonia and tremors. Problems with balance, especially while walking

A

Ataxia CP

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16
Q

classical sx of CP

A

Spasticity, Unsteady gait, Dysarthria, decreased muscle mass

17
Q

lack of muscle coordination when performing voluntary movements (ataxia). stiff or tight muscles and exaggerated reflexes (spasticity)

A

most common manifestations of CP

18
Q

when are most children with CP diagnosed?

A

by 18 months (missed milestones, floppy tone, abnormal reflex)

19
Q

when should babies develop hand preference?

A

not develop a hand preference until at least 12 months of age

20
Q

Prognosis of CP

A

Brain damage does not progress. Symptoms DO become worse

21
Q

incurable fatal neuromuscular disease characterized by progressive muscle weakness, resulting in paralysis.

A

ALS

22
Q

cause of death for most people with ALS

A

respiratory failure

23
Q

disease that mimics ALS in veterans and pro athletes

A

a chronic traumatic encephalopathy

24
Q

earliest sx of ALS

A

Obvious weakness or muscle atrophy

25
Q

key to diagnosis of ALS

A

presence of upper and lower motor neuron signs in a single limb

26
Q

pharm tx for ALS

A

Riluzole (Rilutek)

27
Q

Cause of Wernicke-Korsakoff Syndrome

A

chronic alcoholism; Deficiency of thiamine (vitamin B1)

28
Q

Characteristics of Wernicke-Korsakoff

A

Confusion, Amnesia, Confabulation**

29
Q

Tx of Wernicke-Korsakoff

A

supplemental thiamine IV/IM then move to PO.

30
Q

Why should you start thiamine tx before giving any glucose?

A

the encephalopathy will be worsened by the glucose