Multiple Sclerosis Flashcards
what is the pathophysiology of MS?
immune-mediated disease that primarily affects the CNS (auto-immune)
what are the “exacerbations” associated with MS?
random attacks of inflammation towards the CNS (brain or SC)
What is the etiology of MS?
abnormal autoimmune response to some infection or environmental trigger in a genetically susceptible individual
what is the pathophysiology?
inflammatory disease DESTROYING areas of myelin in the CNS, primarily white matter
what are the four locations that MS affects?
- brain
- SC
- brainstem
- CN
with MS, what is a result of the inflammation
irreversible damage of axons
what cause the irreversible damage of the axons?
scarring or sclerosis
what is the epidemiology of MS?
women > men
caucasians > hispanics/AA >asians
prevalent in temperate zones
genetic link
what are the most common s/s of MS?
- fatigue (88%)
- difficulty walking (87%)
- B and B (65%)
- pain/sensory changes (60%)
- visual disturbances (58%)
- cognitive problems (44%)
- tremors (41%)
what are some cognitive problems associated with MS
difficulty with:
- dual and multi tasking
- following detailed instructions
- ST memory
what is the most common emotional instability related to MS?
depression
what is the initial presentation of an initial attack for MS?
- transient
- mild
- self-limited
don’t know they are having an attack
what are some things associated with diagnosis of MS?
- clinical attacks
- MRI
- CSF
- positive evoked potentials (nerve conduction testing)
what is the timing of the attacks to be diagnosed with MS?
2 attack separated by 30 days
what is the gold standard for diagnosing MS?
MRI - lesion dissemination over space and/or time
what level is elevated in CSF with diagnosis of MS?
gamma globulin
what are the factors for more positive prognosis
female, onset < 35, monoregional, and complete recovery after exacerbation
what are the factors for more negative prognosis
male, onset > 35, brainstem symptoms, poor recovery following exacerbation, frequent attacks, AA