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Focal atonic seizure (ictal EEG)

This young boy with a complex epileptic encephalopathy is holding his arms outstretched. The tracing shows the appearance of a fast rhythm involving C4. One second after the discharge onset, one can observe the fall of the left arm (Delt.L.) and of the head (Cervic). (Contributed by Dr. Roberto Michelucci.)

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Associated Disorders

  • astatic seizures
  • drop seizures