Depth of anaesthesia can be best assessed by: (A) Pulse oximeter, (B) End tidal Pco2, (C) ABG analysis, (D) Bispectral index
Answer is D. Monitors used to assess depth of anesthesia: Electroencephalography (EEG) Bispectral index (BIS) Entropy Evoked responses (EP) - Motor EP, sensory EP (Auditory, visual, brain stem evoked potential) Patient safety index Narcotrend