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1 results

  • Chapter 5 - Epileptiform Discharges, Seizures, and Status Epilepticus

  • from Part I - Introduction
  • Neville M. Jadeja, University of Massachusetts Medical School, Kyle C. Rossi, University of Massachusetts Medical School
  • Book:
    Critical Care EEG Basics
    Published online:
    22 February 2024
    Print publication:
    29 February 2024, pp 71-82

  • Summary

    This chapter focuses on several of the most common actionable EEG abnormalities. This includes defining and describing epileptiform discharges, which are abnormal EEG waves that serve as markers of increased seizure risk. This also includes seizures themselves, and their characteristics and electrographic criteria. Prolonged and repetitive seizures known as status epilepticus are described, including their specific electrographic characteristics and criteria. The treatment resistant form of status epilepticus known as refractory status epilepticus is also described. Finally, the chapter describes a high risk electrographic phenomenon known as brief potentially ictal rhythmic discharges (BIRDs).