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Introduction[edit | edit source]

The word Chorea has Greek origins meaning "to dance". It has a dance-like appearance due to the random and flowing quality of the movement. Chorea is a type of hyperkinetic movement disorder. The involuntary movements flow from one body area to another which cannot be predicted beforehand.

Causes[edit | edit source]

They are predominantly of 2 types

  • Acquired Causes
  • Genetic Causes
Acquired Causes of Chorea

Genetic Causes of Chorea

Phenomenological Features[edit | edit source]

  • Randomness
  • Flowing Quality
  • Parakinesia-Patients blend their chorea induced movements with their own normal movements.
  • Motor impersistence- patient is unable to perform sustained motor activities.
  • Ballism- Variant of chorea which shows large-amplitude flinging movements involving proximal extremities.
  • Athetosis-Slow writhing movements involving distal limbs sometimes may be face.
  • Varying velocity of movements-quick velocity and low- amplitude movements accompanied by jerks.

This video displays the dance-like movements performed by a patient.

Diagnosis[edit | edit source]

Differential Diagnosis[edit | edit source]

Management[edit | edit source]

1.Dopamine depleting agents

2.Dopamine D2 receptor-blocking agents

3. Anticonvulsants

4. Anti-glutamatergic agents

5. Cannabinoids

6. Deep Brain Stimulation

7. Physiotherapy

References[edit | edit source]