The nurse receives a report on 4 clients. Which of the following clients should the nurse see first?

1. Client receiving IV vancomycin who reports discomfort at the peripheral IV site.
2. Client with a pulmonary embolus receiving continuous IV heparin infusion and warfarin who has an INR of 1.9.
3. Client 1 day postoperative receiving patient-controlled analgesia with morphine who reports itching and nausea.
4. Client receiving maintenance IV 0.9% sodium chloride with labeled tubing indicating that tubing was changed 48 hours ago.

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