• Rosanne S Naunheim, Matthew Treaster, Joy English, and Teya Casner.
• Washington University School of Medicine, St. Louis, MO 63110, USA. naunheir@wusm.wustl.edu
• Am J Emerg Med. 2011 Oct 1;29(8):845-8.

BackgroundAdvances in analysis of electrical signals have now made it possible to create a handheld electroencephalogram (EEG).MethodsThe BrainScope device, currently under development by BrainScope Co, Inc, Washington, DC, was used to assess 153 patients who presented to a tertiary referral hospital with headache or altered mental status. A limited array of 8 adhesive electrodes, similar to electrocardiographic leads, was applied to the forehead of the subjects. The data were analyzed, and the result given by the algorithm was compared with the clinical diagnosis given to the patient.ResultsOne hundred fifty-three patients were enrolled. The patient was determined to be normal or abnormal using the algorithm in the device, and blinded clinicians determined whether this was accurate. The sensitivity of the device was 96% and the specificity was 87% for detecting abnormality.ConclusionsThe automated EEG device may be a useful tool for identifying brain abnormality in the emergency department.Copyright © 2011 Elsevier Inc. All rights reserved.

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