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. Author manuscript; available in PMC: 2010 Jan 1.
Published in final edited form as: Anesth Analg. 2009 Jan;108(1):160–167. doi: 10.1213/ane.0b013e31818d40aa

Figure 4.

Figure 4

Effect of etomidate on the electrocortigogram (ECoG). The ECoG is shown for waking and at 0.5 μM, 1 μM and 2 μM etomidate. Etomidate action was modeled using phasic and tonic inhibition. Note that increasing etomidate concentration results in decreased spectral edge frequency (SEF), decreased total power (TP) and little change in median edge frequency (MEF).