Which of the following are contraindications for heat moisture exchanger (HME) use? 1. Hypothermia 2. Uncuffed endotracheal tubes 3. With heated humidification 4. Decrease volume of secretions
a. 1, 2, and 3 c. 2 and 3
b. 1 and 3 d. 2 and 4
ANS: A
Contraindications of heat and moisture exchanger use are hypothermia, the presence of uncuffed endotracheal tubes, use with heated humidification, and an increase in the volume of secretions.
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