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Please note this episode was recorded in November 2018 as part of Brain, a CICM Neuro Special Interest Group meeting click here  Terry O’Brien presents the evidence and recommendations around the use of continuous EEG. EEG is an old technology, first introduced clinically in the 1920s. As we move deeper into the 21st century, Terry argues that this technology should be brought to the forefront in ICUs around the world.  EEG works in a simple manner. Electrodes are placed on the scalp, measuring the potential difference between two points, and displaying the trends over time. EEG has a high resolution, providing information that no other investigative modality can provide. How does this apply to intensive care? Continuous EEG (much like continuous ECG or oxygen saturation monitors), Terry insists, has a place in the monitoring of critically ill patients. It exists as the best way to diagnose a seizure and can provide information regarding treatment effect. Moreover, EEG gives real time information about depth