A patient receiving ventilatory support is being provided with humidification using a heat and moisture exchanger (HME)
A physician orders a bronchodilator drug administered through a metered dose inhaler (MDI) via the ventilator circuit. Which of the following must be performed to ensure delivery of the drug to the patient?
a. The inspiratory flow setting of the venti-lator should be increased.
b. The HME must be removed from the cir-cuit during MDI use.
c. The VT setting of the ventilator should be decreased.
d. A heated humidifier should replace the HME when using the MDI.
ANS: B
The AARC has published Clinical Practice Guideline: Humidification During Mechanical Venti-lation. Excerpts are in CPG 38-1.
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