A patient diagnosed with acute respiratory distress syndrome (ARDS) is being mechanically ventilated with 12 cm of positive end-expiratory pressure (PEEP). On assessment, the nurse notes deterioration of vital signs and absent breath sounds in the right lung field. The nurse intervenes immediately due to the presence of which most likely complication?
1. Obstructed endotracheal tube
2. Increased severity of ARDS
3. Decreased cardiac output
4. Pneumothorax
Answer: 4
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