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Flashcards in Dyskinesia Deck (11):
1

Rest tremor

Abolished on voluntary movement- Parkinsons

2

Pattern of intention tremor

Irregular, large-amplitude tremor that occurs near the end of voluntary movement

3

Underlying cause of intention tremor

Cerebellar damage e.g. MS, stroke

4

Pattern of postural tremor

Tremor present at maintained posture e.g. arms outstretched

5

Causes of postural tremor (4)

Essential tremor
Thyrotoxicosis
Anxiety
Beta-agonists

6

Definition of chorea

Jerky purposeless movements

7

Causes of chorea (2)

Huntingdon's disease
Sydenhams chorea (post-strep infection)

8

Difference between hemiballismus and athetosis

Athetosis- slow confluent movements
Hemiballismus- large-amplitude "flinging" motions

9

Definition of tic

Brief, stereotyped, repeated movements

10

Dystonia definition

Prolonged muscle contractions causing abnormal posture or repetitive movements

11

Examples of acute dystonic reactions (2)

Torticollis
Oculogyric crisis