Many recommendations derived from pediatric surgery and radiology consensus
Evidence mapping listed as ACEP Level C equivalent when high quality emergency medicine grading not available
Surgical pyloromyotomy considered Class I consensus standard of care
Preoperative metabolic correction considered Class I consensus standard
Patient Discharge Instructions
Copy discharge instructions
Post pyloromyotomy discharge set
Feeding plan per surgery team
Small frequent feeds
Gradual increase in volume as tolerated
Expected symptoms
Mild spit ups or occasional vomiting for 24 to 48 hours
Improving trend expected
Wound care
Keep incision clean and dry per instructions
Bathing restrictions per surgery team
Return to ED immediately
Green bilious vomiting
Repeated vomiting with poor intake or fewer wet diapers
Fever or worsening lethargy
Breathing pauses or color change
Redness swelling drainage at incision
Persistent abdominal distension
Follow up
Pediatric surgery follow up appointment
Primary care weight check within 1 to 2 weeks
References
Clinical guidelines and society statements
Reference list
Pediatric surgery standard texts and institutional pathways for hypertrophic pyloric stenosis
Emphasis on preoperative correction of hypochloremic alkalosis before pyloromyotomy
Postoperative feeding advancement protocols vary by institution
Radiology practice references for ultrasound diagnostic criteria
Muscle thickness and channel length thresholds with functional assessment
Repeat ultrasound strategy for equivocal early disease
Evidence grading statement for this tool
ACEP Level A B C labels used as internal evidence mapping
Class I IIa IIb labels used as internal recommendation strength mapping
Evidence based sources
Evidence anchors
Observational epidemiology studies on risk factors including sex distribution and macrolide association
Meta analyses and cohort studies informing ultrasound criteria and atropine outcomes
Perioperative anesthesia safety literature on alkalosis and apnea risk
SymptomDx is an educational tool for medical professionals. It does not replace clinical judgment. Verify all clinical data and drug dosages with authoritative sources.