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Atypical evolution of Panayiotopoulos syndrome: a case report [published with videosequences]. Volume 4, numéro 1, March 2002


   
   Figure 1. Top: Sample from the EEG, 2 days after her first seizure of autonomic status epilepticus. There are mainly left occipital and right central spikes. Background EEG is relatively normal. Middle and bottom: EEG after the onset of absences and atonic seizures (see also figure 2 for interictal features of the same EEG during wakefulness and sleep). The clinical manifestations during this seizure are documented in the companion video (3rd videosequence). The ictal discharge starts at 12:17:06 and ends at 12:17:16. Bottom is a magnification of the same discharge to show its atypical features.



   
   Figure 2. Video-EEG after the onset of absences and absence seizures. Top: EEG samples during wakefulness illustrating random extra-occipital rather small spikes at various locations (arrows). Bottom: EEG samples during sleep to illustrate entirely normal sleep patterns with some extra-occipital spikes.



   
   Figure 3. Video-EEG after discontinuation of carbamazepine. Continuous EEG recording during hyperventilation with breath counting. There are three brief, generalised discharges associated with clinical manifestations shown in the companion video (first sequence). Numbers in italics signify breath counting. Regular numbers indicate actual time (see companion video for clinical manifestations).