Which of the following devices or methods would be appropriate to provide sufficient humidity for an intubated patient with an uncuffed endotracheal tube who has thick, bloody secretions?
a. Heat and moisture exchanger
b. Heated humidifier
c. Heated humidifier with a heat and mois-ture exchanger
d. Systemic hydration
ANS: B
According to the algorithm for selecting the correct humidity and bland aerosol therapy, a heated humidifier is appropriate for this patient. Both the use of an uncuffed endotracheal tube and the presence of thick, bloody secretions are contraindications for the use of a heat and moisture ex-changer. Heat and moisture exchangers cannot be used with heated humidification. Systemic hydration does not adequately humidify inhaled gas.
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