Paroxysmal kinesigenic dyskinesia

What is Paroxysmal kinesigenic dyskinesia?

Paroxysmal kinesigenic dyskinesia (PKD) is a form of paroxysmal dyskinesia (see this term), characterized by recurrent brief involuntary hyperkinesias, such as choreoathetosis, ballism, athetosis or dystonia, triggered by sudden movements.

Other condition names

  • Familial PKD
  • Familial paroxysmal kinesigenic dyskinesia
  • Paroxysmal kinesigenic choreathetosis

Inheritance type

Autosomal dominant, Not applicable


  • Worldwide: 1-9 in 1,000 000

Age of Onset

  • Adolescent
  • Adult
  • Childhood
  • Infancy
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