A cooperative and alert postoperative patient who is able to eat requires a continuous but low FiO2. Precise FiO2 concentrations are not needed. Which of the following devices would best achieve this end?
a. Simple O2 mask
b. Air-entrainment mask
c. Nasal cannula
d. Nonrebreathing mask
ANS: C
Table 41-3 outlines the FiO2 range, FiO2 stability, advantages, disadvantages, and best use of oxygen delivery devices. Based on these guidelines, the nasal cannula appears most suitable for this patient.
Health Professions
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