Last updated on: April 6th, 2023

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You’re looking at a multiple-choice question from QBank Prepper (the newest of four distinct learning formats available in Clinical Odyssey). Try it out, and have fun improving your clinical skills.

Immunologic and Inflammatory Disorders 2

A 5-year-old boy presents with a 2-week history of fever, rash, cracked lips, redness of the palms and soles, and swollen hands and feet. On physical examination, his temperature is 38.2ºC (101ºF), pulse is 102/min, respirations are 20/min, and blood pressure is 99/70 mmHg. His white blood cell count is 18,000/mm3 (5500-15,500) with 80% neutrophils. C-reactive protein is 10 mg/dL (0-0.5). Erythrocyte sedimentation rate is 35 mm/hr (4-20). Echocardiography shows a medium-sized aneurysm of the left anterior coronary artery. Which of the following is the most appropriate next step in his management?

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