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Atypical absence seizure in 9-year-old girl with Lennox-Gastaut syndrome, multiform seizures, and severe learning difficulties (video-EEG)

The video-EEG was performed to assess for atypical status epilepticus. The EEG consisted of very long, slow, generalized spike-wave discharge at approximately 2 Hz. Because of very severe mental retardation, it was impossible to find any convincing differences in her behavior and reactivity during or without EEG discharges. The discharge stopped simultaneously when the infusion tube was inserted prior to administering diazepam intravenously. (From: Panayiotopoulos CP. A clinical guide to epileptic syndromes and their treatment. Revised 2nd ed. London: Springer, 2010.)