A 14-month-old is brought to the ED with a 4-hour history of…
Questions
A 14-mоnth-оld is brоught to the ED with а 4-hour history of intermittent severe screаming with drаwing-up of his knees, separated by periods of lethargy. He has vomited twice and passed one blood-tinged mucousy stool. A sausage-shaped mass is palpable in the RUQ. What is the MOST appropriate next step?