RMV->)You might wake patients faster, prevent awareness in surgery and avoid overly deep anesthesia with the Datex-Ohmeda Entropy Module. It measures electroencephalography (EEG) and forehead muscle activity (frontalis electromyography), processes both signals through an algorithm and reports results. A paper authored by company scientists says results are as accurate as bispectral index's, but response time is .5 seconds. The paper says measuring the signals separately provides more information and prevents contamination of the EEG signal. The plug-in module is available with Datex-Ohmeda S/5 Anesthesia Monitors using L-ANE03(A) or later. The firm did not give a price.

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