Author Question: Which of the following criteria represents the recommended starting point for considering the use of ... (Read 71 times)

storky111 · **on:** Jul 16, 2018

Which of the following criteria represents the recommended starting point for considering the use of PEEP?

a. PaO2 less than 40 to 50 on FiO2 greater than 0.80 1.0
b. PaO2 less than 50 to 60 on FiO2 greater than 0.40 0.50
c. PaO2 less than 100 on FiO2 of 1.0
d. PaO2 less than 50 on FiO2 greater than 0.75

Question 2

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.

jaymee143 · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

ANS: B

Answer to Question 2

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.