What is the optimal breathing pattern for intermittent positive-pressure breathing (IPPB) treat-ment of atelectasis?
a. Slow, deep breaths held at end-inspiration.
b. Rapid, deep breaths held at end-inspiration.
c. Slow, shallow breaths held at end-inspiration.
d. Rapid, shallow breaths held at end-inspiration.
ANS: A
The optimal breathing pattern to reinflate collapsed lung units with IPPB consists of slow, deep breaths that are sustained or held at end-inspiration.
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