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Chapter 3 - Electroencephalography

from Section 1 - Neurologic Examination and Neurodiagnostic Testing

Published online by Cambridge University Press:  10 January 2024

By
Timothy Quezada ,
Andrea Synowiec  and
Kevin M. Kelly
Edited by
Thomas P. Campbell  and
Kevin M. Kelly
Thomas P. Campbell
Affiliation:
Allegheny Health Network, Pittsburgh
Kevin M. Kelly
Affiliation:
Allegheny Health Network, Pittsburgh
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Summary

The electroencephalogram (EEG) is created by differential amplification of cortical postsynaptic excitatory and inhibitory potentials. As a neurophysiologic monitor, it can be used as a bedside tool to assess an unresponsive patient in an emergency setting, particularly in the case of a patient with a history of epilepsy or an unexplained coma. Use of EEG in the emergency department (ED) can be technically challenging; both obtaining and interpreting the study may pose difficulty in small community hospitals or remote settings.

Keywords

electroencephalographyEEGnonconvulsive status epilepticus
Type
Chapter
Information
Handbook of Emergency Neurology , pp. 36 - 40
Publisher: Cambridge University Press
Print publication year: 2023

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References

Fisch, BJ. Fisch & Spehlmann’s EEG Primer: Basic Principles of Digital and Analog EEG. Elsevier, 1999.Google Scholar
Hirsch, LJ, Fong, MWK, Leitinger, M, et al. American Clinical Neurophysiology Society’s standardized critical care EEG terminology: 2021 version. J Clin Neurophysiol 2021;38(1).CrossRefGoogle ScholarPubMed

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