How are generalized tonic-clonic seizures classified?

Updated: May 30, 2019
  • Author: David Y Ko, MD; Chief Editor: Selim R Benbadis, MD  more...
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Clinically classifying a generalized tonic-clonic seizure as being secondarily generalized (focal onset) or primarily generalized is difficult on the basis of the history alone. In most cases, the association with prominent amnesia for the aura increases with the severity of a secondary generalized seizure.

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