Y4 Dyskinesias Flashcards
what are the four types of tremor?
resting
action
intention
dystonic
what is the main cause of a resting tremor?
parkinsons
what is the slowest tremor ?
resting
what is the fastest tremor ?
intention
what is the main cause of an intention tremor?
cerebellar damage
what is the main cause of an dystonic tremor?
mostly idiopathic
what makes a benign essential tremor worse?
anxiety, emotion, caffeine
what is the inheritance of benign essential tremor ?
Autosomal dominant
what is myoclonus ?
Sudden, involuntary jerks
state some causes of myoclonus?
Metabolic = Asterixis (L, R, ↑CO2)
Neurodegenerative diseases (LSDs)
CJD
Myoclonic epilepsies
what is dystonia?
Prolonged muscle contracture
what is torticollis ?
abnormal, asymmetrical head or neck position which may be due to shortening of the SCM muscle
what three drugs can cause dystonias?
Neuroleptics
Metoclopramide
L-DOPA
what is chorea ?
Non-rhythmic, purposeless, jerky, flitting movements
state some causes of chorea?
Huntington’s Sydenham’s Wilson’s
L-DOPA