The mnemonic
NO DESAT
What each word stands for
- NNasal
- OOxygen
- DDuring
- EEfforts
- SSecuring
- AA
- TTube — apnoeic oxygenation by nasal cannula while attempting intubation
Why it matters clinically
Prolongs safe apnoea time and reduces desaturation during difficult intubation.
Where it stops being reliable
Supports oxygenation only; it does not replace pre-oxygenation or a rescue plan.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.