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myoclonic astatic epilepsy


Definition: a petit mal variant characterized by atonic (drop attacks) and tonic or tonic-clonic attacks in neurologically disabled hemiplegic, ataxic children with mental retardation; characterized in EEG by 2-second spike and wave discharges; usually progresses in spite of medication.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.