11th May 2024

An 18-month-old toddler is brought to the emergency department with a sudden onset of intermittent, severe abdominal pain.

An 18-month-old toddler is brought to the emergency department with a sudden onset of intermittent, severe abdominal pain. The mother reports that the child has been unusually irritable, has vomited multiple times, and has passed stools that resemble red currant jelly. On examination, the child is lethargic, dehydrated, and a sausage-shaped mass is palpable in the abdomen. 

Which is the most appropriate initial management for this child?