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Habitual hypermotor seizure preceding a focal onset generalized absence

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Habitual hypermotor seizure preceding a focal onset generalized absence

Habitual hypermotor seizure preceding a focal onset generalized absence with 3 Hz spike-wave discharge. Note that the 3- to 4-Hz discharge starts long after the hypermotor symptoms, and it is mainly left-sided. Also note the rhythmic myoclonic jerks mainly of the right arm during the spike-wave discharge. Cognition could not be assessed. (Contributed by Dr. C P Panayiotopoulos.)

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Associated Disorders

  • Dravet syndrome
  • Frontal lobe seizures
  • Lennox-Gastaut syndrome