Case Presentation: A 14-year-old previously healthy male presented to a community hospital for sudden repeated episodes of initially non-bloody, and then grossly bloody, emesis. He denied sick contacts, travel, significant NSAID use, alcohol consumption, and caustic ingestions. On presentation, he had normal vital signs, mild epigastric tenderness, and heme-positive dark stool. His labs were notable [...]

Case Presentation: A 3-year-old previously healthy female presented as a transfer from an outlying facility with a 1.5-week history of no stool output and progressively worsening abdominal pain. Trials of polyethylene glycol at home were unsuccessful. She subsequently developed a distended, firm, acute abdomen on the day of admission. There was no associated fever, vomiting, [...]