A patient with acute respiratory distress syndrome (ARDS) is placed in the prone position. When prone positioning is used, which information obtained by the nurse indicates that the positioning is effective?
a. The patient's PaO2 is 89 mm Hg, and the SaO2 is 91%.
b. Endotracheal suctioning results in clear mucous return.
c. Sputum and blood cultures show no growth after 48 hours.
d. The skin on the patient's back is intact and without redness.
ANS: A
The purpose of prone positioning is to improve the patient's oxygenation as indicated by the PaO2 and SaO2. The other information will be collected but does not indicate whether prone positioning has been effective.
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