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Definition of Lennox-Gastaut syndrome

Lennox-Gastaut syndrome: A severe form of epilepsy that usually begins in early childhood. It is characterized by frequent seizures of multiple types, mental impairment, and a slow spike-and-wave pattern seen on an EEG. The seizures are notoriously hard to treat and may lead to falls and injuries. Treatment involves anti-epileptic medications.

Source: MedTerms™ Medical Dictionary
Last Editorial Review: 3/19/2012

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