Anaes SAQs · Breathing systems & circuits
CO2 absorption: soda lime and the modern absorbents
The CO2 absorption SAQ — the soda lime composition (Ca(OH)2 + NaOH/KOH), the reaction (CO2 + Ca(OH)2 → CaCO3 + H2O + heat), the exhaustion signs (colour change, capnograph, temperature), the compound A and CO concerns.
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ANZCAFRCAABAEDAIC
Prompt
Outline the chemistry of the CO2 absorption in the circle breathing system. Include the composition of the soda lime, the chemical reaction, the signs of exhaustion, and the concerns with the volatile agents.
Question
Outline the chemistry of the CO2 absorption in the circle breathing system, as defined in the stem. Include the composition of the soda lime, the chemical reaction, the signs of exhaustion, and the concerns with the volatile agents.
References1ShowHide
- [1]Feldman JM, et al. Carbon Dioxide Absorption During Inhalation Anesthesia: A Modern Practice. Anesth Analg, 2021.PMID 32947290