Hypsarrhythmia is a well-recognized EEG pattern and it has been long known as a feature of one of the more severe forms of epilepsy early in life with adverse consequences if not recognized and treated promptly. Yet, it has been difficult to objectively quantify its varied manifestations and link them to the clinical severity of epilepsy, implications for treatment, or the overall seizure and developmental outcome of young patients. This is not for want of effort, for there have been several approaches to score hypsarrhythmia ever since its initial recognition as a unique EEG pattern. In this article, we review the different methods proposed to score hypsarrhythmia and highlight the challenges inherent to each one of them. Copyright © 2022 by the American Clinical Neurophysiology Society.
Deepak Lachhwani. Scoring Systems for the Evaluation of Hypsarrhythmia. Journal of clinical neurophysiology : official publication of the American Electroencephalographic Society. 2022 Nov 01;39(7):538-543
PMID: 35323149
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