ILAE Logo

EPILEPTIC SPASMS

An epileptic spasm is a sudden flexion, extension or mixed flexion-extension of proximal and truncal muscles, lasting 1-2 seconds i.e. longer than a myoclonic jerk (which lasts milliseconds) but not as long as a tonic seizure (which lasts > 2 seconds). Spasms typically occur in a series, usually on wakening. Subtle forms may occur with only chin movement, grimacing, or head nodding. Spasms may be bilaterally symmetric, asymmetric, or unilateral.

CAUTION Epileptic spasms usually occur in a series (several in a cluster) right arrow if singular, consider other seizure types.

Feedback | Home | Contact Us | Privacy | Log In For Videos
Creative Commons License
This website is owned by the International League Against Epilepsy. Text on this website is available
under a Creative Commons Attribution-ShareAlike 4.0 International License, EXCEPTING all videos
and images, which remain copyrighted by the International League Against Epilepsy.