Which of the following interfaces should be used in greater than 90% of the patients with hypoventilation?
a. Full-face mask
b. Nasal mask
c. Nasal pillows
d. Oral mask
ANS: A
If the problem is ventilation, the full-face mask is the interface of choice and should be used ini-tially in greater than 90% of patients requiring noninvasive positive-pressure ventilation for acute respiratory failure.
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