Anaes Vivas · Vaporisers
Clinical viva — low-flow anaesthesia and the vaporiser
A clinical viva on the low-flow technique — the divergence of the dial from the inspired concentration, the over-pressure, the end-tidal agent monitoring, and the dry-absorbent risks.
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ANZCAFRCAABAEDAIC
Prompt
You are asked to explain to a junior colleague how to use the vaporiser safely during a low-flow (0.5 L/min) circle technique, and what monitoring is non-negotiable.
Stimulus
A junior colleague is about to start a low-flow (0.5 L/min) circle technique with sevoflurane for a three-hour case. They ask how to set the vaporiser and what they must monitor. Walk them through it.
References2ShowHide
- [3]Parthasarathy S, Ravishankar M. The closed circuit and the low flow systems. Indian J Anaesth, 2013.PMID 24249885
- [24249886]Bersten AD, Soni N (eds) Oh's Intensive Care Manual. 8th edition, Elsevier, 2018.