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Juvenile absence epilepsy (ictal EEG)

A generalized spike-and-wave discharge in a 13-year-old boy with a history of infrequent staring episodes that for 10 days before the EEG had increased up to eight episodes daily. During sleep, some generalized spike-and-wave discharges were recorded with no clinical symptoms. During hyperventilation, he stopped counting, his eyes remained closed, and he became restless with some chewing movements. He recovered immediately after the discharge. (Contributed by Dr. Athanasios Covanis.)

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Associated Disorders

  • Absences with single myoclonic jerks during the absence ictus
  • Childhood absence epilepsy
  • Epilepsy with myoclonic absences
  • Eyelid myoclonia and (with) absences (Jeavons syndrome)
  • Facial (perioral or eyebrow) myoclonia and absences
  • Generalized tonic-clonic seizures
  • Juvenile absence epilepsy
  • Juvenile myoclonic epilepsy
  • Phantom absences
  • Symptomatic and cryptogenic absences
  • Typical absences with specific modes of precipitation (reflex absences)