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episodic ataxia type 1

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The information provided on this page is for informational purposes only. The National Organization for Rare Disorders (NORD) does not endorse the information presented. The content has been gathered in partnership with the MONDO Disease Ontology. Please consult with a healthcare professional for medical advice and treatment.

Disease Overview

Episodic ataxia type 1 (EA1) is a frequent form of Hereditary episodic ataxia (EA) characterized by brief episodes of ataxia, neuromyotonia, and continuous interictal myokymia.

Synonyms

  • EA1
  • Isaacs-Mertens syndrome
  • KCNA1 hereditary episodic ataxia
  • acetazolamide-responsive periodic ataxia
  • ataxia, episodic, with myokymia
  • continuous muscle fiber activity
  • continuous muscle fiber activity, hereditary
  • continuous muscle fibre activity
  • continuous muscle fibre activity, hereditary
  • episodic ataxia with myokymia
  • episodic ataxia, type 1
  • episodic ataxia/myokymia syndrome
  • familial paroxysmal kinesigenic ataxia and continuous myokymia
  • hereditary episodic ataxia caused by mutation in KCNA1
  • hereditary paroxysmal ataxia with neuromyotonia
  • myokymia 1
  • myokymia 1 with or without hypomagnesemia
  • myokymia with periodic ataxia
  • paroxysmal ataxia with neuromyotonia, hereditary
GARD Disease Summary

The Genetic and Rare Diseases Information Center (GARD) has information and resources for patients, caregivers, and families that may be helpful before and after diagnosis of this condition. GARD is a program of the National Center for Advancing Translational Sciences (NCATS), part of the National Institutes of Health (NIH).

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Orphanet

Orphanet has a summary about this condition that may include information on the diagnosis, care, and treatment as well as other resources. Some of the information and resources are available in languages other than English. The summary may include medical terms, so we encourage you to share and discuss this information with your doctor. Orphanet is the French National Institute for Health and Medical Research and the Health Programme of the European Union.

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OMIM

Online Mendelian Inheritance In Man (OMIM) has a summary of published research about this condition and includes references from the medical literature. The summary contains medical and scientific terms, so we encourage you to share and discuss this information with your doctor. OMIM is authored and edited at the McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine.

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GeneReviews

GeneReviews has an article on this condition covering diagnosis, management, and inheritance. Each article is written by one or more experts on the specific disease and is reviewed by other specialists. The article contains medical and scientific terms, so we encourage you to share and discuss this information with your doctor. The GeneReviews database is managed by the University of Washington.

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