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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You have been called for a 56-year-old female complaining of chest pain. She informs you that she takes nitroglycerin and asks you to get it off of the top of her refrigerator. You find it is a clear glass jar hand labeled "nitroglycerin." Which of the following is the most appropriate response?
A) "You should keep your nitro in the refrigerator since it will keep longer in the cold." B) "It is best to keep the nitro in a dark container since light will inactivate it." C) "The heat from the refrigerator will cause the nitroglycerin to lose its effectiveness." D) "Having the nitro on top of the refrigerator may make it difficult for you to reach it in an emergency."