A patient with acute respiratory distress syndrome (ARDS) who is intubated and receiving mechanical ventilation develops a right pneumothorax. Which action will the nurse anticipate taking next?
a. Increase the tidal volume and respiratory rate.
b. Increase the fraction of inspired oxygen (FIO2).
c. Perform endotracheal suctioning more frequently.
d. Lower the positive end-expiratory pressure (PEEP).
ANS: D
Because barotrauma is associated with high airway pressures, the level of PEEP should be decreased. The other actions will not decrease the risk for pneumothorax.
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