5 Days Of Progressively in Pediatrics — Case | Pediatric Gastroenterology | SMLE Q#11308
SMLE Question #11308
Pediatrics
Pediatric Gastroenterology
Objective: OBJ-289
Last updated: February 2026
A 1-month-old boy is brought to the emergency department with 5 days of progressively worsening, forceful, non-bilious vomiting after feeds. He is irritable, has fewer wet diapers, and has poor weight gain. He appears mildly dehydrated. Abdominal examination shows visible peristaltic waves after feeding and a small, firm, mobile mass in the right upper abdomen. Laboratory evaluation is most likely to show which abnormality?
Continue in practice mode
Sign in and start a focused practice session to view options, submit your answer, and read the full explanation.