Disease or Syndrome
episodic ataxia
ep·i·sod·ic a·tax·i·a
Definitions related to episodic ataxia:
  • Periodic spells of incoordination and imbalance, that is, episodes of ataxia typically lasting from 10 minutes to several hours or days.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • (hereditary episodic ataxia) Hereditary episodic ataxia (EA) represents a group of neurological disorders characterized by recurrent episodes of ataxia and vertigo which may be progressive. Weakness, dystonia and ataxia are sometimes present in the interictal period. Seven types of EA have been described to date (EA type 1 to EA type 7, see these terms), but most of the reported cases belong to EA1 and EA2.
    OrphaNet
    INSERM, 2021
  • Episodic ataxia refers to a group of conditions that affect the central nervous system. It affects specific nerve fibers that carry messages to and from the brain in order to control body movement. The condition causes episodes of poor coordination and balance (ataxia). Episodes may last from a few seconds to several hours. During an...
    NIH Genetic and Rare Diseases
    National Center for Advancing Translational Sciences
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.