Movement disorders - Terminology etc. Flashcards
What is akathisia?
Restlessness and intense urge to move
What can cause akathisia?
- Neuroleptic use
- Side-effect of Parkinsons treatment
What is asterixis?
Extension of wrists causing flapping
What conditions can cause aterixis?
- Hepatic encephalopathy
- Wilsons disease
- Other metabolic derrangements
What is Athetosis?
- Slow, snail-like, writhering movements
- Especially seen in fingers
What condition can cause athetosis?
Huntington’s disease (BG lesion)
What is Chorea?
Sudden, jerky, purposeless movments
What diseases can cause chorea?
BG lesions
- Huntingtons
- Acute rheumatic fever (sydenham chorea)
What is dystonia?
Sustained, involuntary muscle contractions
What can cause dystonia?
- Writers cramp
- Blepharospasm
- Torticollis
What is the treatment of dystonia?
Botulinum toxin injection
What can worsen an essential tremor?
Anxiety, movement
What can essential tremor be treated with?
- B blockers (propanolol)
- Barbiturates (primidone)
Describe an intention tremor?
Slow, zigzag motion when pointing/extending toward a target
What can cause intention tremor?
Cerebellar dysfunction