movement disorders Flashcards
any movement disorder preceded by feeling you have to do it
tic
inability to stay still
akathisia
excessive muscle contraction
dystonia
superfast shock like muscle movement
myoclonus
random flow of movement
chorea (greek for dance)
oscillatory movement
tremor
must rule out what with parkinson’s disease
wilson’s, vit deficiency, lupus, pregnancy, thryroid dysfx, hyp0/hyperglycemia, basal ganglia stroke, hypoxia…
Diagonsis of parkinson’s
TRAP (requires T or A and at least 2/4) Tremor (CONSPICUOUS at rest) Rigidity Akinesia/Bradykinesia Postural instability
image for parkinsons
loss of pigmented neurons (substantia negra) and replacement of lewy bodies
What drugs do you AVOID with parkinsons
Antiemetics (except ondansetron, domperidone) and anti-psychotics (except seroquel and clozapine)
Parkinson drug for young pt w minor sx
Amantadine (anti-viral yes) Rasagiline (MAOi) or a dopamine agonist (Pramipexole and Ropinirole)
Parkinson’s drug for > 50 with > mild severity?
SA?
Levodopa. Dyskinesias, psychosis, orthostasis. Current: N/V/hypotension/arrhythmia
what is sinemet?
Combo levodopa and carbidopa. Carbidopa inhibits conversion of levodopa to dopa. Lowers SA but doesn’t change on-off phenomenon or other SA
Treatment options for essential tremor (aka, benign, familial ess. tremor)
Orals: 1st line Primidone (anti-convulsant) and Propanolol (ns BB) and Topiramate
and Deep brain stimulation 90% effective
essential tremor clinical features
mostly UE and then head, tongue, LE, and then voice. If not both hands then likely something else. Bilateral, symmetric, goes away with REST