Dyskinesia

Question 1

Rest tremor

Answer 1

Abolished on voluntary movement- Parkinsons

Question 2

Pattern of intention tremor

Answer 2

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

Question 3

Underlying cause of intention tremor

Answer 3

Cerebellar damage e.g. MS, stroke

Question 4

Pattern of postural tremor

Answer 4

Tremor present at maintained posture e.g. arms outstretched

Question 5

Causes of postural tremor (4)

Answer 5

Essential tremor
Thyrotoxicosis
Anxiety
Beta-agonists

Question 6

Definition of chorea

Answer 6

Jerky purposeless movements

Question 7

Causes of chorea (2)

Answer 7

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

Question 8

Difference between hemiballismus and athetosis

Answer 8

Athetosis- slow confluent movements

Hemiballismus- large-amplitude “flinging” motions

Question 9

Definition of tic

Answer 9

Brief, stereotyped, repeated movements

Question 10

Dystonia definition

Answer 10

Prolonged muscle contractions causing abnormal posture or repetitive movements

Question 11

Examples of acute dystonic reactions (2)

Answer 11

Torticollis

Oculogyric crisis