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Episodic ataxia type 2
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Episodic ataxia type 2

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Contributors: Jamie Adams MD, Richard L. Barbano MD, PhD
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Synopsis

Episodic ataxia type 2 is one of a group of related conditions that affect the nervous system and cause problems with movement. It is characterized by episodes of poor coordination (ataxia) and balance. Patients may develop subtle progressive cerebellar signs, but are largely normal between attacks, which are often triggered.

There are at least seven types, designated type 1 through type 7, which are distinguished by their signs and symptoms, age of onset, length of attacks, and, when known, genetic cause. Types 3-7 are exceedingly rare. Only type 1 and type 2 have been identified in more than one family.

For more information, see OMIM.

Codes

ICD10CM:
R27.0 – Ataxia, unspecified

SNOMEDCT:
420932006  – Episodic Ataxia Type 2

Differential Diagnosis & Pitfalls

Best Tests

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References

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Last Updated: 06/04/2018
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Episodic ataxia type 2
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Episodic ataxia type 2 : Nausea/vomiting, Ataxia, Nystagmus, Recurring episodes or relapses, Vertigo
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