An 8-year-old boy is brought to his physician by his mother, who is worried by the child's frequent episodes of daydreaming, which have apparently resulted in a decline in school performance. The child's psychomotor development appears normal. EEG recording reveals bilateral and symmetric 3 Hz spike-and-wave discharges, which begin and end abruptly on a normal background. Which of the following is the most likely diagnosis? (A) Absence seizures (petit mal) (B) Complex partial seizures (C) Pseudoseizures (D) Simple partial seizures (E) Tonic-clonic seizures (grand mal)
Classic textbook presentation of absence seizures.Age >5yrs old, lasts<30secs, stares into space, EEG has a 3Hz spike. Drug of choice for tx is Ethosuximide.