Seize the seizure

Cause of Epilepsy Categorized by the Age at Seizure Onset
cause Age at seizure onset (yr) 0–2 3–20 21–40 41–60 >60 Cerebral anoxia X     Metabolic abnorma lities or inborn error of metabolism X Congenital or developmental malformations X X Infection X X Phakomatoses (TS, SWS neurofibromatosis) X X Primary generalized seizures   X Hippocampal sclerosis X Vascular malformation X X Posttraumatic epilepsy X X X X Tumor   X X X Stroke   X X