BT_GS 1.51 Describe the concept of depth of anaesthesia and how this may be monitored

BT_GS 1.51 Describe the concept of depth of anaesthesia and how this
may be monitored

BT_GS 1.52 Explain the principles involved in the electronic monitoring of
depth of sedation and anaesthesia, including the use of EEG
analysis

What is “depth of anaesthesia”? How is it different from “level of consciousness”?

Can you define these concepts in a way that does not rely on an electronic device?

 

T / F    Depth of anaesthesia refers to the effect of anaesthetic drugs on the brain only.

T / F    The BIS index is generated by combining together at least 3 different measures of EEG activity.

T / F    A BIS index under 60 means that a patient will not respond to voice.

T / F    The BIS index decreases during natural sleep, but not below 50.

T / F    Both the BIS and Entropy monitors analyse EEGs using frequencies at which muscle activity is significant.

T / F   The Spectral Edge Frequency is unaffected by muscle relaxation.

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