A 5-year-old girl presented with fever, malaise and increased cough. She has a past medical history of asthma for which she was prescribed with a steroid inhaler daily and an albuterol inhaler (as needed). Past medical history (PMH): Notable episodes of rectal prolapse Sinusitis during each of the past two winter season Examination: Examination reveals a moderately ill-appearing child whose height and weight are at the 5th percentile for age. Her temperature is 101°F (38.3°C). Respiratory rate is 32 breaths/min. Scant purulent rhinorrhea bilaterally. Wheezes in all lung fields and diminished breath sounds on the right side.

Heart sounds and capillary refill are normal, yet she has digital clubbing. What is the most likely diagnosis? What is the next step in evaluation? *This case is from Docplexus editorial team for educative purpose only. Source: Case Files Pediatrics. The correct…