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Typical absence seizures of idiopathic myoclonic absence epilepsy

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Typical absence seizures of idiopathic myoclonic absence epilepsy

Note the rhythmic myoclonic jerks during the first 4 seconds of the discharge in this 7-year-old boy. He is unresponsive. There are automatisms after the end of the myoclonic jerks. The absence is terminated with somatosensory stimulation. Prognosis was excellent. (Contributed by Dr. C P Panayiotopoulos. From: Panayiotopoulos CP. The epilepsies: seizures, syndromes and management. Oxford: Bladon Medical Publishing; 2005.)