Monitoring auditory evoked potentials

Details Monitoring auditory evoked potentials Monitoring auditory evoked potentials

2005-03-15

2005-03-15

Assouad, Patrick (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Chemical analysis

C702S031000, C702S188000, C702S189000

Reexamination Certificate

active

06868345

ABSTRACT:
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.

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Elkfafi, et al., “Intelligent Signal Processing of Evoked Potentials for Anaesthesia Monitoring and Control”, IEE Proc.-Control Theory Appl., vol. 144, No. 4, Jul. 1997, pp. 354-360.

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