HeyHippocratesBilious vomiting, the olive, intussusception — a colleague who cites every call.
Clinical decision support that reasons like a pediatric surgeon while you decide: read the red flag, correct the child first, time the operation — with the decision rule and exactly what would change it. Built for verified pediatric surgeons.
Watch it think — in pediatric surgery.
Two worked examples, reasoned the way it answers: the relevant clinical checks run, the answer is cited, the decision rule is explicit, and what is missing is flagged.
4-week-old, non-bilious projectile vomiting, a palpable epigastric olive, hypochloremic hypokalemic alkalosis — management?
This is hypertrophic pyloric stenosis — confirm with ultrasound (a thickened, elongated pylorus). It is a medical emergency but a surgical one only after resuscitation: correct the dehydration and the hypochloremic hypokalemic metabolic alkalosis with fluids and potassium first, then perform a Ramstedt pyloromyotomy once the chloride and bicarbonate normalize. Operating on an alkalotic infant risks postoperative apnea.
Decision rulePyloric stenosis → resuscitate and correct the hypochloremic hypokalemic alkalosis BEFORE pyloromyotomy; it is urgent, not emergent.
Not established from this alone — the degree of dehydration, electrolytes and the ultrasound measurements change the timing.
9-month-old, intermittent colicky pain drawing up the legs, a sausage-shaped mass, ultrasound shows a target sign — next step?
This is ileocolic intussusception. In a stable child without peritonitis or perforation, reduce it non-operatively with an air (pneumatic) or contrast enema — successful in most cases. Resuscitate first, and go to surgery if there is peritonitis, perforation, shock, or a failed enema reduction. Recurrence can happen, so counsel and observe after reduction.
Decision ruleStable intussusception without peritonitis → air/contrast enema reduction; peritonitis / perforation / shock / failed enema → surgery.
Not established from this alone — peritoneal signs, duration, a lead point and the response to enema change the plan.
Illustrative simulations. The physician always decides.
The answers pediatric surgeons actually look up.
The exact questions your field searches for — answered in the format the knowledge base speaks: the answer, the decision rule, what's missing, and the source.
Bilious vomiting in a neonate — why is it a surgical emergency?
Bilious vomiting in a neonate is malrotation with midgut volvulus until proven otherwise — a twist that can infarct the entire midgut within hours. Resuscitate, pass a nasogastric tube, and get an urgent upper-GI contrast study looking for an abnormal duodenojejunal junction or a corkscrew. A well-looking baby does not exclude it; do not delay surgical consultation and a Ladd procedure if volvulus is suspected.guideline synthesis
Decision ruleNeonatal bilious vomiting → assume malrotation/volvulus; resuscitate + urgent upper-GI; suspected volvulus → emergent surgery (Ladd procedure).
Missing data: the contrast study, abdominal signs, and hemodynamic status drive the urgency.
Hypertrophic pyloric stenosis — the workup and pre-op priority?
A 2-to-8-week-old with non-bilious projectile vomiting, a palpable olive and a hypochloremic hypokalemic metabolic alkalosis has pyloric stenosis; ultrasound confirms a thickened, elongated pylorus. The priority is resuscitation, not the knife: correct the dehydration and the alkalosis with fluids and potassium, then perform pyloromyotomy. It is a urgent operation once the biochemistry is normal, never an emergency.guideline synthesis
Decision ruleDiagnose (olive + alkalosis + ultrasound); correct fluids/electrolytes/alkalosis first → then pyloromyotomy; never operate on an alkalotic infant.
Missing data: the electrolyte and acid–base values and the degree of dehydration set the timing.
Intussusception — diagnosis and reduction?
Ileocolic intussusception in a 3-month-to-3-year-old gives intermittent colicky pain, a sausage mass and, late, a currant-jelly stool; ultrasound shows a target sign. In a stable child without peritonitis or perforation, an air or contrast enema reduces it non-operatively in most cases. Surgery is for peritonitis, perforation, shock, a failed reduction, or a pathologic lead point.guideline synthesis
Decision ruleUltrasound target sign → air/contrast enema in a stable child; peritonitis / perforation / shock / failed enema / lead point → surgery.
Missing data: stability, duration, peritoneal signs and a lead point change the approach.
Necrotizing enterocolitis — recognition and when to operate?
Necrotizing enterocolitis strikes premature infants with feeding intolerance, abdominal distension and bloody stools; the X-ray shows pneumatosis intestinalis or portal venous gas, and Bell staging grades severity. Most early cases are managed medically — bowel rest, nasogastric decompression, antibiotics and support. Operate for pneumoperitoneum (perforation) or clinical deterioration despite maximal medical therapy.Bell staging
Decision ruleFeeding intolerance + pneumatosis → NEC; medical management (NPO, decompression, antibiotics); pneumoperitoneum / deterioration → surgery.
Missing data: gestational age, the Bell stage, the X-ray and the trajectory drive the operative decision.
What it knows in pediatric surgery
Your whole practice, one specialist brain — grounded in specialist-written, cited knowledge.
A generalist pediatric-surgery colleague across neonatal emergencies, the vomiting infant, NEC, common pediatric surgery and colorectal — cited, non-directive, always with the decision rule.
Deep specialist agents for neonatal, colorectal, pediatric oncology and pediatric trauma — each its own specialist voice and knowledge base — plus your own uploaded materials.
Why not just use OpenEvidence or ChatGPT?
A large language model answers any clinical question with total confidence and no idea whether it is right. A search engine finds papers. HeyHippocrates reasons inside your specialty from a knowledge base a specialist in your field wrote and signed, and tells you the decision rule and what is missing.
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Questions pediatric surgeons ask
It reasons in the red flags you watch for — bilious vomiting, the palpable olive, pneumatosis, peritonitis — and always shows the reasoning, the decision rule and what would change it. The decision always stays your call.
Both. Residents use it to pressure-test a plan and learn the decision rule; attendings use it as a fast, cited second opinion on call and in the neonatal unit. Access is gated to verified physicians.
Neonatal, colorectal, pediatric oncology and pediatric trauma each have their own deep specialist agent on the Pro plan, on top of the full pediatric-surgery scope on Basic.
No. It is physician-facing clinical decision support — a cited thinking partner. It does not diagnose, does not treat, and gives no patient-facing advice. The decision always stays with you.
Every answer is grounded only in specialist-written, cited pediatric-surgery knowledge — traceable to a named source — and always states the decision rule plus what data is missing, instead of a confident guess.