Juvenile absence epilepsy begins around puberty and differs from childhood absence epilepsy in that the seizures are more sporadic. Sex distribution is equal.

This syndrome blurs with juvenile myoclonic epilepsy because generalized tonic-clonic seizures and myoclonic seizures are often seen on awakening.

On EEG, the spike-waves are often slightly faster than 3 Hz.

No distinct features completely differentiate juvenile absence epilepsy from childhood absence epilepsy.

Adapted from: Holmes GL. Classification of seizures and the epilepsies. In: Schachter SC, Schomer DL, eds. The comprehensive evaluation and treatment of epilepsy. San Diego, CA: Academic Press; 1997. p. 1-36.
With permission from Elsevier (www.elsevier.com)

Authored by: Gregory L. Holmes | MD on 1/2004
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