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A 2-year-old previously healthy girl presents to the ED with complaints of 3 days of low-grade fever and congestion followed by noisy breathing and cough. Upon examination, you note a frequent barking cough, audible stridor at rest, and retractions. The child does not appear to be in any distress. Which of the following is the most appropriate next step in management?AThe patient has mild croup and can be discharged after a single dose of oral steroidsBThe patient has mild croup and can be discharged after a single dose of steroid and 5 mg albuterol nebulizerCThe patient has moderate croup and should receive oral steroids and be discharged after racemic epinephrine nebulizer with next-day follow-upDThe patient has moderate croup and should receive oral steroids and racemic epinephrine nebulizer and be observed in the ED for 3 hours and discharged if symptoms abate
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