Movement disorders Flashcards
list features of hyperkinetic movement disorders
dystonia tics myoclonus chorea tremor
list features of hypokinetic movement disorders
rigidity (hypertonic)
bradykinesia
ie Parkinsonism/PD
what is a tremor
involuntary movement in which there is rhythmicity
features of essential tremor
autosomal dominant
gets better with alcohol + B blockers
what types of tremor are there
resting tremor
postural tremor
intention tremor
what is resting tremor a sign of
Parkinsonism/PD
what is postural tremor a sign of
physiological essential caffeine stress salbutamol anxiety Na valproate
what is intention tremor a sign of
cerebellar disease
define chorea
brief irregular purposeless movements
causes of chorea
drugs - OCP basal ganglia lesions Sydenhams chorea Anti-phospholipid syndrome huntington's disease Neuroacanthocytosis Wilsons disease SLE
what is sydenhams chorea
autoimmune condition
widespread chorieform movements after Group A B-haemolytic strep infection in children
what is neuroacanthocytosis
inherited disease
abnormal RBCs with neurological manifestations
define myoclonus
brief electric shock like jerks
define tics
“in”voluntary repetitive stereotypes movements or vocalisations
patient experiences anxiety and discomfort during tic suppression
define dystonia
sustained or intermittent muscle contractions causing abnormal, repetitive movements or postures
