Movement Disorders Flashcards
What is the main hypokinetic movement disorder?
Parkinsonism
What are the main hyperkinetic movement disorders?
Tremor Tics Chorea Myoclonus Dystonia
What is tremor?
Rhythmic sinusoidal oscillation of a body part
What is a tic?
Involuntary stereotyped movement/vocalisation
What is chorea?
Brief irregular purposeless movements which flit and flow from one part to another
What is myoclonus?
Brief electric-shock like jerks
What is dystonia?
Abnormal posture of affected body part
How can tremor be classified?
Position
Distribution
Frequency
Amplitude
What is the main cause of resting tremor?
Parkinson’s
Give some causes of kinetic tremor
Cerebellar disease
Wilson’s disease
What are the core criteria for essential tremor?
Bilateral action tremor of hands/forearms
Absence of neuro signs
Long duration
When a patient releases a tic they feel relaxed. True/false?
True
What are the two main types of tic?
Motor
Vocal
Give some secondary causes of tics
Huntington’s
Wilson’s
Neuroacanthocythosis
What is the main syndrome causing vocal tics?
Tourette’s syndrome