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
Correct Answer:
Verified
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