A nurse in an emergency department is assessing a client fol…
A nurse in an emergency department is assessing a client following a motor vehicle crash. Findings include absent breath sounds in the left lower lobe with dyspnea, blood pressure 118/68 mm Hg, heart rate 124 beats per minute, respirations 38 breaths per minute, and oxygen saturation (SaO2) 92% on room air. Which of the following actions should the nurse take first?