HC is a 8-month-old male who is brought into the emergency department by her parents because of dyspnea and frequent cough. His parents state that he has had a ‘cold’ and low grade fever for the past 24 hours. His heart rate is 130, respiratory rate is 52, temperature is 102.1o F. SpO2 is 90% while breathing room air. Auscultation reveals bilateral wheezes superimposed over a prolonged expiratory phase. He has a frequent nonproductive cough. He is alert and crying when examined. He appears to be in respiratory distress with nasal flaring and intercostal retractions.