An alert patient receiving intermittent mandatory ventilation at a rate of 8/min and VT of 600 ml has stable vital signs and satisfactory blood gases on an FiO2 of 0.45. What would you do to ini-tiate weaning for this patient?
a. Lengthen the automatic sigh interval.
b. Decrease the mandatory rate to 5 to 6/min.
c. Increase FiO2 to 60%.
d. Decrease the VT to 500 ml.
ANS: B
At this point, the rate is reduced in a stepwise manner until complete spontaneous breathing can be achieved.
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