A 3-week-old has projectile nonbilious vomiting and an olive-shaped mass. What is the diagnosis?
Answer and explanation
Correct answer: B. Hypertrophic pyloric stenosis
- Step 1: The pyloric muscle is hypertrophied. Answer: Hypertrophic pyloric stenosis. Why not the others: Duodenal atresia causes bilious vomiting and the others have different signs.
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