episodic ataxia type 3
MONDO:0011682Mondo
Findings
No curated finding names episodic ataxia type 3 yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Episodic ataxia type 3 (EA3) is a very rare form of Hereditary episodic ataxia characterized by vestibular ataxia, vertigo, tinnitus, and interictal myokymia.
Definition from the Mondo Disease Ontology (MONDO:0011682), read 2026-09-29. CC BY 4.0.
Features
7 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- Episodic ataxiaHPOHP:0002131
- Obligate (100% of cases)
- VertigoHPOHP:0002321
- Obligate (100% of cases)
- MyokymiaHPOHP:0002411
- Frequent (30% to 79% of cases)
- TinnitusHPOHP:0000360
- Frequent (30% to 79% of cases)
- HemiplegiaHPOHP:0002301
- Occasional (5% to 29% of cases)
- NystagmusHPOHP:0000639
- Occasional (5% to 29% of cases)
- SeizureHPOHP:0001250
- Occasional (5% to 29% of cases)
Where it sits
- A kind of
Other names
1 name
Resolves to: episodic ataxia type 3
- Also called
- episodic ataxia-vertigo-tinnitus-myokymia syndrome