A young patient is being treated for a femoral fracture suffered in a snowboarding accident. The nurses most recent assessment reveals that the patient is uncharacteristically confused. What diagnostic test should be performed on this patient?

Answer Explanation: Subtle personality changes, restlessness, irritability, or confusion in a patient who has sustained a fracture are indications for immediate arterial blood gas studies due to the possibility of fat embolism syndrome. This assessment finding does not indicate an immediate need for electrolyte levels, an ECG, or abdominal ultrasound.

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