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epileptic spasm

 

Definition: spasm characterized by a sudden flexion-extension, or mixed extension-flexion, predominantly proximal (including truncal muscles), which is usually more sustained than a myoclonic movement but not as sustained as a tonic seizure. Occurs frequently in clusters, with the individual events ranging in duration from myoclonic to tonic seizure components.

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

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