Acute group A streptococcal infections and sequelae (pediatrics) Quiz: Ace Your Exams

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A seven-year-old boy is brought to his pediatrician for evaluation of three days of sore throat and fever. Today, he developed a rash over the trunk that then spread to the extremities. His father states that he has been less energetic with a decreased appetite. Temperature is 38.3°C (101°F), pulse is 105/min, respiratory rate is 16/min, blood pressure is 114/74 mmHg, and oxygen saturation is 99% on room air. Oral examination reveals a red, swollen tongue with prominent papillae. The tonsils are enlarged and erythematous with exudates bilaterally. Skin examination reveals diffuse erythema that blanches with pressure with numerous small (1-2 mm) papular elevations with a “sandpaper” appearance in the groin, axilla, trunk, and extremities. There is no rash on the palms or soles. A rapid streptococcal antigen detection test is performed and returns negative. What is the best next step in management? 

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