Genetic and Rare Diseases Information Center (GARD)


Other names people use for this condition
  • Petit mal, impulsive
  • JME
  • EJM
  • Janz syndrome
  • Myoclonic epilepsy, juvenile, 1

Juvenile myoclonic epilepsy
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Juvenile myoclonic epilepsy is an epilepsy syndrome characterized by myoclonic jerks (quick jerks of the arms or legs), generalized tonic-clonic seizures (GTCSs), and sometimes, absence seizures.[1] The seizures of juvenile myoclonic epilepsy often occur when people first awaken in the morning, especially if they are sleep-deprived. Drinking alcohol and psychological stress may also make these seizures more likely.[1][2] Onset typically occurs around adolesence in otherwise healthy children.[1][2][3] The exact cause of juvenile myoclonic epilepsy remains unknown.[1] Although patients usually require lifelong treatment with anticonvulsants, their overall prognosis is generally good.[1][3]




References
  1. Cavazos JE, Lum F. Epilepsy, Juvenile Myoclonic. emedicine. November 29, 2007 Available at: http://emedicine.medscape.com/article/1185061-overview. Accessed January 19, 2009.
  2. Adamolekun B. Seizure Disorders. The Merck Manuals Online Medical Library . March 2008 Available at: http://www.merck.com/mmhe/sec06/ch085/ch085a.html. Accessed January 19, 2009.
  3. Epilepsy Syndromes. Epilepsy Foundation. Available at: http://www.epilepsyfoundation.org/about/types/syndromes/index.cfm. Accessed January 19, 2009.

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