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Hemiplegic migraine


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Overview

Hemiplegic migraine (HM) is a rare type of migraine with aura that occurs with motor weakness during the aura. There are two types of HM which are distinguished based on the family history: familial hemiplegic migraine (FHM, in which at least one other family member has the condition) and sporadic hemiplegic migraine (SHM, in which there is no family history).[1] Signs and symptoms vary but may include visual disturbances, sensory loss, difficulty with speech, weakness on one side of the body, confusion, and impaired consciousness.[2] Severe attacks may occur in both types with prolonged hemiplegia, coma, fever and/or seizures.[1] FHM may be caused by a mutation in any of several genes and is inherited in an autosomal dominant manner.[1][2]
Last updated: 11/17/2014

References

  1. Anne Ducros. Familial or sporadic hemiplegic migraine. Orphanet. April, 2008; http://www.orpha.net/consor/cgi-bin/OC_Exp.php?lng=en&Expert=569. Accessed 11/17/2014.
  2. Russell MB, Ducros A. Sporadic and familial hemiplegic migraine: pathophysiological mechanisms, clinical characteristics, diagnosis, and management. Lancet Neurol. May, 2011; http://www.ncbi.nlm.nih.gov/pubmed/21458376. Accessed 8/26/2013.
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Basic Information

In Depth Information

  • Medscape Reference provides information on this topic. Click on the link to view this information. You may need to register to view the medical textbook, but registration is free.
  • MeSH® (Medical Subject Headings) is a terminology tool used by the National Library of Medicine. Click on the link to view information on this topic.
  • Online Mendelian Inheritance in Man (OMIM) is a catalog of human genes and genetic disorders. Each entry has a summary of related medical articles. It is meant for health care professionals and researchers. OMIM is maintained by Johns Hopkins University School of Medicine. 
    Familial hemiplegic migraine 1
    Familial hemiplegic migraine 2
    Familial hemiplegic migraine 3
  • Orphanet is a European reference portal for information on rare diseases and orphan drugs.  Access to this database is free of charge.
  • PubMed is a searchable database of medical literature and lists journal articles that discuss Hemiplegic migraine. Click on the link to view a sample search on this topic.
See Disclaimer regarding information on this site. Some links on this page may take you to organizations outside of the National Institutes of Health.