The respiratory therapist has been asked to measure Auto-PEEP on a patient receiving mechanical ventilation. In order to do this, the therapist should
A. initiate an inspiratory hold just after the next ventilator-delivered breath.
B. initiate an expiratory hold just prior to the next ventilator-delivered breath.
C. subtract Pplat from Pdyn.
D. subtract set PEEP from the measured Pplat.
Answer: B. initiate an expiratory hold just prior to the next ventilator-delivered breath.
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