Depth of Anesthesia Monitoring Flashcards
0
Q
What is “Awareness”?
A
“unexpected and explicit recall by patients of events that occurred during anesthesia”
1
Q
Who is considered the “mother of anesthesia”?
A
Agatha Hodkins
- Opened first formal postgraduate program in Anesthesia
- Founded the AANA
- Matriarch of Anesthesia
2
Q
How do EEG monitors assess depth of anesthesia?
A
Cells within the cerebral cortex provide synaptic activity and results in changes of voltage that can be detected by electrodes placed on the forehead and/or scalp
3
Q
How does Bispectral Index Technology (BIS) work?
A
- Frontal EEG recordings are converted to a number between 0 (Isoelectric) and 100 (Awake)
- 2 Dimensional Spectral analysis
4
Q
What BIS value correlates with low probability of recall?
What is the “Key” range?
A
- BIS values less than 60
- Key range = 40-60
