Epilepsy (Confirmatory)

  • EEG indicated whenever epilepsy suspected

  • Uses of EEG in epilepsy ○ Diagnostic: support diagnosis, classify seizure, localize focus, quantify ○ Prognostic: adjust anti-epileptic treatment

  • Normal in 10-20% of epileptic patients

  • Background slowed by: ○ AED, diffuse cerebral process, postictal state

  • Artifact from: ○ Eye rolling, tremor, other movement, electrodes false Positive reading