A patient 2 days post-total knee arthroplasty (TKA) has a temperature of 38.6°C, wound erythema, and purulent drainage. The priority nursing action is:
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A
Apply warm soaks to the wound
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B
Notify the surgeon and obtain wound cultures before starting antibiotics
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C
Administer acetaminophen and reassess in 2 hours
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D
Increase the patient's fluid intake and monitor urine output