How to read an EEG

Epileptiform abnormalities

Updated: 3 November 2025, 4:53 PM

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Live EEG Examples

Interictal Epileptiform Abnormalities
Ictal Abnormalities
Abbreviations
  • BIRDs: Brief potentially ictal rhythmic discharges
  • ED: Epileptiform discharge
  • IEDs: Interictal epileptiform discharges
  • LVFA: Low-voltage fast activity
  • szs: Seizures
  • TIRDA: Temporal intermittent rhythmic delta activity