Term
|
Definition
|
|
Term
|
Definition
F > M (1.4-3.1x more likely) |
|
|
Term
Incidence 20x _____ in 1st gen relatives |
|
Definition
|
|
Term
MS = Autoimmune reaction attacking ______ |
|
Definition
|
|
Term
Most frequent sites of plaques (4) |
|
Definition
optic nerves brainstem cerebellum spinal cord |
|
|
Term
Demyelination by direct & indirect mechanisms |
|
Definition
Direct: antibody-mediated/cell-mediated immunity Indirect: secretion of lymphokines/cytokines |
|
|
Term
Ultrastructural characteristics of plaques (4) |
|
Definition
1. separation of outer lamellae 2. degeneration in myelin 3. phagocytosis of myelin 4. preservation of axons |
|
|
Term
|
Definition
more energy required to conduct nerve impulse |
|
|
Term
|
Definition
medical hx neuro exam evoked potentials MRI lumbar puncture |
|
|
Term
Signs of "definite" MS (4) |
|
Definition
≥2 bouts separated by ≥1 mo OR progressive for ≥6 mos neurologic signs in ≥1 fxnl system of CNS onset at 10-50 yo absence of other explanation |
|
|
Term
Signs of "probable" MS (5) |
|
Definition
hx of relapsing/remitting s/sx only one current sign single bout of symptoms good recovery >> variable s/sx absence of other explanation |
|
|
Term
Signs of "possible" MS (3) |
|
Definition
hx of relapsing/remitting s/sx no documentation of signs for ≥1 lesion absence of other explanation |
|
|
Term
CSF results confirming demyelination (3) |
|
Definition
incr in immunoglobulin concentrations incr protein level incr cell count (1º T-lymphocytes) |
|
|
Term
|
Definition
relapsing-remitting (85%), primary progressive, secondary progressive, progressive-relapsing |
|
|
Term
|
Definition
relapses with recovery; remissions show no visible disease progression |
|
|
Term
|
Definition
continued progression from onset, without remissions/plateaus |
|
|
Term
|
Definition
relapsing-remitting >> progression at variable rate |
|
|
Term
|
Definition
progressive from onset, with clear relapses |
|
|
Term
|
Definition
fatigue, diplopia, blurred vision, weakness, sensory changes (ascending numbness), intention tremor, bladder control probs, incoordination, heat intolerance |
|
|
Term
|
Definition
"internuclear opthalmoplegia" (lesion in MLF) |
|
|
Term
Greatest sensation loss in MS pt is usually: |
|
Definition
dorsal column info (>spinothalamic) |
|
|
Term
|
Definition
increased weakness/spasticity, cerebellar ataxia, scanning speech (overshoot speaking, decr prosody) Lhermitte's sign, incr numbness, emotional lability |
|
|
Term
Unfavorable prognostic signs (5) |
|
Definition
initially progressive course male high EDSS scores fxnl systems involved incr motor system deficits |
|
|
Term
Favorable prognostic signs (5) |
|
Definition
onset before 30 yo female complete recoveries during remission sensory system involvement longer initial remission |
|
|
Term
|
Definition
Treat relapses (immunosuppression c corticosteroids) Prevent relapses (Interferon) Address spasticity (Baclofen, Dantrolene, Diazepam) |
|
|