ClinCalc Pro
Menu
PaediatricsSurgery

Hypertrophic Pyloric Stenosis

Projectile non-bilious vomiting in 2–8 week-old, hypochloraemic hypokalaemic metabolic alkalosis, USS diagnosis, fluid resuscitation, pyloromyotomy.

Source: BAPS / RCPCH

Step 1 of ~4
info

Recognise

Typically first-born male, age 2–8 weeks, projectile non-bilious vomiting after feeds, hungry between feeds, weight loss, dehydration, visible peristalsis (LUQ to RUQ), palpable 'olive' RUQ post-feed. Verify all paediatric drug doses against BNFc.

Related

Curated clinical cross-links plus same-class fallbacks.

Decision support only. Always apply local guidelines and clinical judgement.