A 52-year-old man is admitted to the hospital emergency department with a primary complaint of severe radiating chest pain and signs of central cyanosis
The attending asks for your advice on selecting a device that provides a moderate FiO2 for this patient. Which of the following would you recommend?
a. Simple O2 mask at 8 L/min
b. Air-entrainment mask at 40% O2
c. Nasal cannula at 5 L/min
d. Nonrebreathing mask at 10 L/min
ANS: A
Table 41-3 lists the FiO2 range, FiO2 stability, advantages, disadvantages, and best use of each of these devices.
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