When adjusting the FiO2 setting for a patient receiving mechanical ventilatory support, what should your goal be?
a. Decrease the FiO2 to below 0.70 as soon as possible.
b. Maintain the highest possible FiO2 as long as needed.
c. Decrease the FiO2 to below 0.30 as soon as possible.
d. Decrease the FiO2 to below 0.50 as soon as possible.
ANS: D
After initiation of mechanical ventilation with an FiO2 of 1.0, the FiO2 should be reduced to 0.40 to 0.50 or less as soon as is practical to avoid O2 toxicity and absorption atelectasis.
Health Professions
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