Case Presentation: A 4-year-old previously healthy boy presented with 10 days of fevers, intermittent abdominal pain, and poor appetite. Exam was notable for mild abdominal distension without tenderness. Labs showed leukocytosis, normocytic anemia, and elevated inflammatory markers. An echocardiogram showed mild dilation of his left anterior descending and left main coronary arteries, and he was [...]