A 7-year-old child with a history of recent COVID-19 infection presents with persistent fever, abdominal pain, and a rash for the past 3 days. Laboratory results show elevated inflammatory markers (CRP 150 mg/L, ESR 80 mm/hr) and cardiac enzymes are slightly elevated. The child's parents are concerned about the worsening symptoms. What is the priority nursing intervention?

• 1 Administer acetaminophen for fever reduction and monitor temperature every 4 hours
• 2 Prepare for immediate echocardiogram and continuous cardiac monitoring while notifying the physician ✓ 정답
• 3 Encourage increased fluid intake and provide comfort measures for abdominal pain
• 4 Isolate the child in a negative pressure room and implement strict contact precautions

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