A client is in the acute phase of a burn injury. The nurse notes a Mean Arterial Pressure (MAP) of 74 mm Hg, urine output of 95 mL/hr, and a temperature of 38.6°C (101.5°F). The white blood cell (WBC) count is 18,000/mm and the burn wound has increased drainage with a foul odor. What is the priority nursing action?