Monitoring auditory evoked potentials

   
   

A method and an apparatus for extracting signals which are indicative of the level of consciousness of a patient comprises subjecting the patient to a repetitive audio stimulus, monitoring AEP produced by the patient using an autoregressive model with exogenous input, and then calculating an index (AAI), which is displayed or used otherwise,indicative of the anaesthetic depth.

Un método y un aparato para extraer las señales que son indicativas del nivel del sentido de un paciente abarca sujetar al paciente a un estímulo audio repetidor, supervisando AEP producido por el paciente usando un modelo autoregressive con la entrada exógena, y después calculando un índice (AAI), que se exhibe o se utiliza de otra manera, indicativo de la profundidad anestésica.

 
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