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Important
It is possible that the main title of the report Neuromyotonia
is not the name you expected. Please check the synonyms listing to find
the alternate name(s) and disorder subdivision(s) covered by this report.
Synonyms
- Continuous Muscle Fiber Activity Syndrome
- Quantal Squander
- Isaacs-Merten Syndrome
- Isaacs' Syndrome
Disorder Subdivisions
- None
General Discussion
Neuromyotonia is a rare neuromuscular disorder characterized by abnormal nerve impulses from the peripheral nerves. These impulses cause continuous muscle fiber activity that may continue, even during sleep. The disorder, which has both inherited and acquired forms, is characterized by muscular stiffness and cramping, particularly in the limbs. Continuous fine vibrating muscle movements (myokymia) can be seen. Muscle weakness may also be present. Muscle relaxation may be difficult especially after physical activity involving the particular muscle(s).
Resources
National Institute of Neurological Disorders and Stroke (NINDS)
31 Center Drive
8A07
Bethesda, MD 20892-2540
Tel: (301)496-5751
Fax: (301)402-2186
Tel: (800)352-9424
Email: braininfo@ninds.nih.gov
Internet: http://www.ninds.nih.gov/
Genetic and Rare Diseases (GARD) Information Center
PO Box 8126
Gaithersburg, MD 20898-8126
Tel: (301)519-3194
Fax: (240)632-9164
Tel: (888)205-2311
TDD: (888)205-3223
Email: gardinfo@nih.gov
Internet: http://www.genome.gov/100000409 or http://rarediseases.info.nih.gov/html/resources/info_cntr.html
For a Complete Report:
This is an abstract of a report from the National Organization for Rare Disorders, Inc. ® (NORD). A copy of the complete report can be obtained for a small fee by visiting the NORD website. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational treatments (if available), and references from medical literature. For a full-text version of this topic, see http://www.rarediseases.org/search/rdblist.html
The information provided in this report is not intended for diagnostic purposes. It is provided for informational purposes only. NORD recommends that affected individuals seek the advice or counsel of their own personal physicians.
It is possible that the title of this topic is not the name you selected. Please check the Synonyms listing to find the alternate name(s) and Disorder Subdivision(s) covered by this report.
This disease entry is based upon medical information available through the date at the end of the topic. Since NORD's resources are limited, it is not possible to keep every entry in the Rare Disease Database completely current and accurate. Please check with the agencies listed in the Resources section for the most current information about this disorder.
For additional information and assistance about rare disorders, please contact the National Organization for Rare Disorders at P.O. Box 1968, Danbury, CT 06813-1968; phone (203) 744-0100; web site www.rarediseases.org or email orphan@rarediseases.org
Last Updated: 8/17/2007
Copyright 1991, 1995, 1996, 2004, 2007 National Organization for Rare Disorders, Inc.
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