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Myoclonic absence seizure in a child (EEG)

Video-EEG of a 15-month-old girl recorded typical myoclonic absence seizures. Clinically, there were rhythmic and symmetrical violent myoclonic jerks, mainly of the arms, coinciding with the multiple spike components. Note the regular 3.5-Hz multiple spike and slow-wave discharges smoothly slowing down to 2.5 Hz. (Used with permission from: Panayiotopoulos CP. A Practical Guide to Childhood Epilepsies. Oxford: Medicinae, 2006.)

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Associated Disorders

  • Angelman syndrome and other chromosomal disorders
  • Dravet syndrome
  • anoxic and toxic encephalopathies
  • febrile seizures
  • metabolic disturbances
  • myoclonic-atonic epilepsy
  • progressive myoclonus epilepsies
  • pyridoxine dependency in infants