Multiple Sclerosis Flashcards
(24 cards)
Does MS affect the CNS or PNS?
CNS
What is the female: male ratio?
3:1
What parts of the upper and lower limbs are affected ?
Extensors of upper limbs
Flexors of lower limbs
Is there increased or decreased tone?
increased
What other pyramidal dysfunction may occur?
spasticity
weakness
Describe the onset of optic neuritis.
painful vision loss over 1-2 weeks
Does optic neuritis tend to improve?
yes
What defect occurs with optic neuritis?
relative afferent pupilllary defect
List 5 sensory symptoms with MS.
pain Paraesthesia Dorsal column loss (Proprioception & vibration) Numbness trigeminal neuralgia
What is proprioception?
ability to sense where joints are without looking
Describe trigeminal neuralgia.
Sudden severe, shooting, sharp facial pain
Dysfunction of what may also occur, leading to dysdiadokinesia (impaired ability to perform rapid movements), dysarthria (problems with articulation of speech) and ataxia?
cerebellar
Dysfunction of what leads to Diplopia (nerve VI palsy) Facial weakness (nerve VII palsy)?
Brain stem
What could cause impairment of adduction of eyes and distortion of binocular vision?
Internuclear ophthalmoplegia
What symptoms may occur as a result of lower urinary tract dysfunction?
frequency nocturia urgency urge incontinence retention
Does fatigue occur?
YES
How is it diagnosed by history?
At least 2 episodes suggestive of demyelination with dissemination in time and place
What does it mean by dissemination in time and place?
2 separate attacks separated by time, and also in different parts of the body
Give an example of an anticholinergic which could be used to treat the lower urinary tract symptoms here.
oxybutynin
Describe fatigue management which could be used.
Amantadine
Modafinil if sleepy
Hyperbaric oxygen
1st line disease modifying therapy?
Interferon Beta – Avonex, Rebif, Betaseron, Extavia
Glitiramer Acetate (Copaxone)
Tecfedira
2nd line disease modifying therapy?
Tysabri
Fingolimod
3rd line disease modifying therapy?
Mitoxantrone
When should Tysabri/Fingolimod be used?
Patients with rapidly evolving severe relapsing remitting multiple sclerosis
Patients with high disease activity despite treatment with a interferon