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Episodic ataxia type 3

Disease definition

Episodic ataxia type 3 (EA3) is a very rare form of Hereditary episodic ataxia (see this term) characterized by vestibular ataxia, vertigo, tinnitus, and interictal myokymia.


  • Synonym(s):
    • Episodic ataxia-vertigo-tinnitus-myokymia syndrome
  • Prevalence: <1 / 1 000 000
  • Inheritance: Autosomal dominant 
  • Age of onset: All ages
  • ICD-10: G11.8
  • OMIM: 606554
  • UMLS: -
  • MeSH: -
  • GARD: -
  • MedDRA: -

Detailed information


Additional information

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