DOI: 10.1097/WNP.0b013e3182784729
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PMID: 23377439
Issn Print: 0736-0258
Publication Date: 2013/02/01
American Clinical Neurophysiology Society’s Standardized Critical Care EEG Terminology: 2012 version
L. J. Hirsch; S. M. LaRoche; N. Gaspard; E. Gerard; A. Svoronos; S. T. Herman; R. Mani; H. Arif; N. Jette; Y. Minazad; J. F. Kerrigan; P. Vespa; S. Hantus; J. Claassen; G. B. Young; E. So; P. W. Kaplan; M. R. Nuwer; N. B. Fountain; F. W. Drislane
Excerpt
Continuous EEG Monitoring is becoming a commonly used tool in assessing brain function in critically ill patients. However, there is no uniformly accepted nomenclature for EEG patterns frequently encountered in these patients such as periodic discharges, fluctuating rhythmic patterns, and combinations thereof. Similarly, there is no consensus on which patterns are associated with ongoing neuronal injury, which patterns need to be treated, or how aggressively to treat them. The first step in addressing these issues is to standardize terminology to allow multicenter research projects and to facilitate communication. To this end, we gathered a group of electroencephalographers with particular expertise or interest in this area in order to develop standardized terminology to be used primarily in the research setting. One of the main goals was to eliminate terms with clinical connotations, intended or not, such as “triphasic waves,” a term that implies a metabolic encephalopathy with no relationship to seizures for many clinicians. We also avoid the use of “ictal,” “interictal” and “epileptiform” for the equivocal patterns that are the primary focus of this report.
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