Which of the following ventilator strategies would you consider as a good alternative to T tube trials when using a rapid weaning protocol?
1. Continuous positive airway pressure (CPAP) with flow-by (flow triggering)
2. Low-level pressure-supported ventilation (PSV)
3. Intermittent mandatory ventilation
a. 2 and 3 only
b. 1 and 2 only
c. 1, 2, and 3
d. 1 and 3 only
ANS: B
Rather than using a T tube trial, some clinicians prefer to maintain the patient attached to the ventilator with zero PSV and zero CPAP.
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