Question

A 5-week-old infant is brought in with projectile vomiting after feeds. On examination, a palpable 'olive-like' mass is felt in the epigastrium. Which investigation is most useful for confirming the diagnosis?

Accepted Answer

Ultrasound scan of the abdomen

Answer

Upper GI endoscopy

Answer

Abdominal X-ray

Answer

Barium swallow

Answer

pH probe study

Practice question

A 5-week-old infant is brought in with projectile vomiting after feeds. On examination, a palpable 'olive-like' mass is felt in the epigastrium. Which investigation is most useful for confirming the diagnosis?