A healthy-appearing 13-year-old boy presented with the chief complaints of abdominal pain, nausea, and vomiting of 2 weeks' duration. His emesis was nonbilious and non-bloody. The vomiting was not associated with eating and occurred once to twice daily. His abdominal pain was mid-epigastric and was described as "deep" in nature. He has had no diarrhea, weight loss, or fever. No other symptoms were present. History Mild intermittent asthma and 1 prior episode of vomiting and abdominal pain 2 years ago that resolved with conservative management.
Maintenance medications included montelukast, cetirizine, and albuterol. There was no history of surgery or hospitalization. Examination Weight was 77 kg Height was 159 cm. The abdomen was nondistended but was mildly tender to deep palpation just superior to the umbilicus. No organomegaly or masses were appreciated. Laboratory examination Mild…
