During routine use on an intubated patient, a heated humidifier should deliver inspired gas at which of the following?
a. Temperature of 33 ± 2° C, with a mini-mum of 30 mg/L of water vapor
b. Temperature of 37 ± 2° C, with a mini-mum of 44 mg/L of water vapor
c. Temperature of 20 ± 2° C, with a mini-mum of 10 mg/L of water vapor
d. Temperature of 30 ± 2° C, with a mini-mum of 24 mg/L of water vapor
ANS: A
The AARC has published Clinical Practice Guideline: Humidification During Mechanical Venti-lation. Excerpts are in CPG 38-1.
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