A 5-year-old child is brought to the ED by his mother after a possible ingestion of a plastic Lego piece. He has had no pulmonary symptoms but reports difficulty swallowing and declines to drink liquids that are offered. What would be the intervention of choice?

  • A. Contrast-enhanced CT scan of the chest
  • B. Endoscopy
  • C. Non–water-soluble barium swallow
  • D. Posteroanterior and lateral chest radiography