Infant Bilious (Green) Vomiting, Projectile Vomiting, and Intussusception ('Currant Jelly' Stool)¶

While mild, effortless milk spit-up (gastroesophageal reflux) occurs in over 70 percent of healthy babies after feeding, three distinct patterns of infant vomiting and abdominal pain are true pediatric surgical emergencies where a delay of even 2 to 6 hours can result in catastrophic intestinal necrosis, hypovolemic shock, or death: (1) Bilious (bright lime-green or dark spinach-green) vomiting caused by Intestinal Malrotation with Midgut Volvulus, (2) Forceful, non-bilious "projectile" vomiting in a 2-to-8-week-old baby caused by Hypertrophic Pyloric Stenosis (HPS), and (3) Sudden, cyclic waves of inconsolable screaming where a 3-to-36-month-old infant pulls their knees to their chest, turns pale/lethargic between spasms, and passes blood-and-mucus ("currant jelly") stool caused by Ileocolic Intussusception.

If your infant vomits dark or bright green fluid even once, becomes limp, unresponsive, or mottled grey, has a rigid or bloated belly, or stops producing wet diapers, call your local emergency number (911 in the United States and Canada, 112 across the European Union, 999 in the United Kingdom) or consult our international directory of emergency numbers immediately. For fever emergencies, see infant high fever and febrile seizures. Follow the pediatric surgical triage protocols below.

Do this now¶

1. Treat ANY bright lime-green or dark forest-green (bilious) vomit in an infant as a life-threatening surgical emergency (Midgut Volvulus) until proven otherwise: Normal stomach spit-up is white, clear, or pale buttery yellow (from colostrum, milk fat, or stomach acid). Green bile enters the gastrointestinal tract in the second part of the duodenum (Ampulla of Vater). If green bile is coming up out of an infant's mouth, the intestine is physically obstructed below the bile duct, and the entire small bowel may be twisted 360 degrees around its own blood supply (superior mesenteric artery volvulus), facing total bowel gangrene within 2 to 6 hours.
2. Take a clear smartphone photo of the vomit (on a white sheet/burp cloth) and the diaper, and bring the soiled diaper in a Ziploc bag to the Emergency Department: Under bright hospital fluorescent lights, showing the emergency physician a photo of emerald/spinach-green bilious vomit or a diaper containing dark red mucoid ("currant jelly") stool bypasses hours of triage delay and triggers an immediate surgical consultation.
3. STOP all oral feeds (NPO , no breastmilk, formula, water, or electrolyte solutions) immediately when heading to the Emergency Department: If your baby has a twisted bowel (volvulus), telescopic bowel (intussusception), or blocked stomach outlet (pyloric stenosis), putting more liquid into the stomach causes immediate repeated vomiting, aspiration into the lungs, and delays general anesthesia for surgery or air-enema reduction.
4. Keep a vomiting infant positioned on their side (Lateral Recovery Position) or held upright over your shoulder during transport: Never lay an actively vomiting or post-spasm lethargic infant flat on their back where regurgitated stomach acid or bile can be inhaled into the windpipe.
5. Recognize the "Silent Lethargy Trap" of Intussusception: Between screaming attacks (which occur every 15 to 20 minutes as peristaltic waves squeeze the telescoped bowel), an infant with intussusception often releases endogenous endorphins and becomes eerily quiet, pale, glassy-eyed, and floppy/somnolent. Never mistake that quiet 15-minute gap for "the baby finally feeling better and falling asleep", it is a hallmark of mesenteric venous compression and neurogenic shock.
6. Go directly to a dedicated Children's Hospital or Pediatric Emergency Department equipped with 24/7 Pediatric Ultrasound and Pediatric Surgery: Diagnosing and fixing pyloric stenosis, intussusception (pneumatic/hydrostatic enema reduction), and midgut volvulus (Ladd procedure) requires pediatric radiologists and surgeons; going directly to a pediatric center saves a 2-hour inter-hospital ambulance transfer.

Decision tree: infant vomiting and acute abdominal pain triage¶

Use this clinical flowchart to distinguish benign infant spit-up from the three major pediatric surgical emergencies:

flowchart TD
    Start["Infant or Young Child With Forceful Vomiting, Green Vomit, or Screaming Abdominal Spasms"] --> ColorCheck{"1. What Color Is the Vomit?"}
    ColorCheck -->|"BRIGHT LIME-GREEN OR DARK SPINACH-GREEN (Bilious)<br/>(Even a Single Episode in an Infant)"| Volvulus["CATEGORY 1 SURGICAL EMERGENCY: SUSPECT MIDGUT VOLVULUS<br/>1. Stop all feeding (NPO) -> Keep infant on side<br/>2. Photograph green vomit -> Go to Pediatric ED IMMEDIATELY<br/>3. Requires IV resuscitation + Urgent Upper GI / Ultrasound & Surgical Ladd Procedure"]
    ColorCheck -->|"WHITE / CURDLED MILK / CLEAR / PALE YELLOW (Non-Bilious)"| PatternCheck{"2. What Is the Clinical Pattern & Age of the Child?"}
    PatternCheck -->|"Age 2 to 8 Weeks:<br/>Forceful 'Projectile' Vomiting Shooting Across Crib After Feeds<br/>+ Baby Immediately Cries Frantically to Eat Again ('Hungry Vomiter')"| Pyloric["SUSPECT HYPERTROPHIC PYLORIC STENOSIS (HPS)<br/>1. Stop feeds -> Go to Pediatric ED Today<br/>2. Check for dehydration + Hypochloremic Hypokalemic Metabolic Alkalosis<br/>3. Ultrasound confirms 'Olive' -> IV Saline/Potassium MUST precede Pyloromyotomy"]
    PatternCheck -->|"Age 3 Months to 3 Years:<br/>Sudden Cyclic Screaming Every 15-20 Min Pulling Knees to Chest<br/>+ Pale/Lethargic Between Spells +/- Red 'Currant Jelly' Stool"| Intuss["SUSPECT ILEOCOLIC INTUSSUSCEPTION<br/>1. Stop feeds (NPO) -> Photograph diaper -> Go to Pediatric ED IMMEDIATELY<br/>2. Ultrasound shows 'Target / Donut Sign'<br/>3. Treated without incisions via Urgent Air or Saline Contrast Enema Reduction"]
    PatternCheck -->|"Effortless Small Milk Dribble After Burping,<br/>Happy Weight Gain ('Happy Spitter')"| Reflux["BENIGN PHYSIOLOGICAL GASTROESOPHAGEAL REFLUX (GER)<br/>Keep upright 20-30 min after feeds; pace bottle feeds; routine pediatric follow-up"]

Phase 1: Master comparison matrix of the 4 infant vomiting syndromes¶

Parents and triage nurses can differentiate harmless reflux from the three surgical emergencies in under 60 seconds by checking Age Window, Vomit Color, Appetite After Vomiting, and Pain/Stool Pattern:

Phase 2: Deep dive 1, Bilious (Green) Vomiting and Midgut Volvulus (The 6-Hour Clock)¶

Why does every pediatric surgeon on Earth drop everything and run to the Emergency Department when a newborn or infant vomits green fluid?

1. The Anatomy of Malrotation and Midgut Volvulus¶

During normal fetal development (Weeks 6 to 10 of pregnancy), the baby's developing intestine rotates 270 degrees counterclockwise and anchors securely across a wide diagonal attachment (the mesentery) from the upper left abdomen (Ligament of Treitz) to the lower right abdomen (cecum). - In 1 out of every 500 live births (Intestinal Malrotation): This rotation stops halfway. Instead of being anchored across a wide, stable base, the entire small intestine hangs suspended from the back wall of the abdomen on a paper-thin, narrow stalk containing the Superior Mesenteric Artery (SMA) and Vein (SMV), while abnormal fibrous bands (Ladd's bands) cross over the duodenum. - The Twist (Midgut Volvulus): At any moment, most commonly in the first 4 weeks of life, the unanchored small intestine can twist clockwise like a wrung-out towel (360 to 720 degrees) around that narrow vascular stalk. - Two Simultaneous Catastrophes: 1. Duodenal Blockade (Bilious Vomiting): The twisted loop pinches the duodenum shut just below the bile duct, forcing bright green hepatic bile backward into the stomach and out the baby's mouth. 2. Mesenteric Strangulation (Total Midgut Necrosis): The twist chokes off the Superior Mesenteric Vein and Artery supplying 100 percent of the small intestine (jejunum and ileum) and half of the large intestine. If not untwisted surgically (Ladd Procedure) within 2 to 6 hours, the baby's entire small intestine dies, resulting in fatal septic shock or lifelong Short Bowel Syndrome requiring permanent intravenous nutrition (TPN).

2. Why Early Volvulus Can Fool Parents and Doctors (The Flat-Belly Trap)¶

• In the first 1 to 4 hours of a midgut volvulus, the obstruction is high in the duodenum, so the baby's belly is often completely flat and soft (not bloated), and the baby may look relatively comfortable between bouts of green vomiting.
• Waiting for a bloated, hard belly or bloody stools is waiting too long: A rigid, distended abdomen, red/purple abdominal skin discoloration, tachycardia, and bloody stool mean the intestine has already begun to infarct (die). A single episode of true green bilious emesis in an infant mandates immediate emergency transport.

Phase 3: Deep dive 2, Hypertrophic Pyloric Stenosis (HPS and Projectile Vomiting)¶

Affecting 2 to 3.5 out of every 1,000 infants, most commonly firstborn infants between 3 and 6 weeks of age (with a higher risk if exposed to macrolide antibiotics like erythromycin or azithromycin in the first two weeks of life), Hypertrophic Pyloric Stenosis (HPS) is a progressive mechanical thickening of the circular muscle ring at the exit of the stomach (the pyloric sphincter).

1. How to Tell Projectile Pyloric Stenosis Apart from Normal Reflux or Formula Intolerance¶

1. The "Force & Distance" Escalation Over 3 to 7 Days:
2. It often starts around 3 weeks of age looking like forceful spit-up, then rapidly escalates until every feed ends with a fountain-like projectile ejection of white, curdled, sour-smelling milk (sometimes speckled with tiny brown "coffee-ground" streaks from irritated stomach lining, never green bile) that shoots 30 to 90 centimeters (1 to 3 feet) past the baby's toes.
3. The Classic "Hungry Vomiter" Behavior:
4. Unlike a baby with a stomach virus or bowel twist (who feels nauseated and refuses the bottle), a baby with early pyloric stenosis has a completely healthy brain and intestine that are simply starving because food cannot get past the thickened stomach gate. The instant the baby finishes projectile vomiting, they root wildly at your chest and cry furiously to be fed again.
5. The Visible "Golf-Ball Peristaltic Wave" After Feeding:
6. If you uncover your baby's tummy under a lamp right after they drink milk (before they vomit), you can often watch a slow, rhythmic wave looking like a golf ball rolling underneath the skin from the left ribs across to the right middle abdomen as the stomach contracts against the blocked pylorus.

2. The Important Hospital Rule: Why Pyloric Stenosis Is a Medical Resuscitation Emergency Before It Is a Surgical Emergency¶

Parents are often surprised when the surgeon says: "We diagnosed Pyloric Stenosis on ultrasound in 10 minutes, but we will NOT take your baby to the operating room for 12 to 24 hours." Here is why that delay saves your baby's life: - Hypochloremic, Hypokalemic Metabolic Alkalosis: Every time your baby vomits pure stomach acid (\(\text{HCl}\)), their body loses massive amounts of Hydrogen ions (\(\text{H}^+\)), Chloride (\(\text{Cl}^-\)), Sodium (\(\text{Na}^+\)), and water. To hold onto water, the baby's kidneys dump precious Potassium (\(\text{K}^+\)) and retain Bicarbonate (\(\text{HCO}_3^-\)), turning the baby's blood dangerously alkaline (Metabolic Alkalosis). - The Post-Anesthesia Apnea Risk: Because high blood bicarbonate (\(\text{HCO}_3^- > 30\text{ mEq/L}\)) tricks the baby's brainstem respiratory center into slowing down breathing (to retain acidic \(\text{CO}_2\)), putting an un-resuscitated baby with metabolic alkalosis under general anesthesia causes severe postoperative central apnea (stopping breathing after surgery) and cardiac arrhythmias from low potassium. - The Safe Protocol: The pediatric team first gives 12 to 24 hours of intravenous 0.9% Normal Saline + Dextrose + Potassium Chloride until serum chloride is \(> 100\text{ mEq/L}\), bicarbonate is \(< 28\text{ mEq/L}\), and the baby is making wet diapers, and only then performs the 15-minute Laparoscopic Ramstedt Pyloromyotomy (splitting the outside muscle ring so the stomach opens permanently, with babies feeding normally within hours of surgery).

Phase 4: Deep dive 3, Intussusception (Telescoped Bowel and 'Currant Jelly' Stool)¶

Intussusception is the #1 cause of acute intestinal obstruction in infants and toddlers between 3 months and 3 years of age (peaking between 5 and 9 months). It occurs when a proximal segment of the small intestine (the ileum) folds and slides inside the adjacent large intestine (the cecum/colon) exactly like a collapsible pirate telescope or a sock turned partway inside out.

1. Why Intussusception Happens After a Common Cold, Stomach Bug, or Lymph Node Swelling¶

In 90 percent of infant cases (idiopathic ileocolic intussusception), a recent viral respiratory infection (adenovirus) or viral gastroenteritis causes the normal lymphatic patches inside the lining of the terminal ileum (Peyer's patches) to swell up like swollen tonsils. The intestine's normal rhythmic squeezing (peristalsis) grabs that swollen lymph patch (the lead point) and pulls the small bowel right inside the colon, dragging its own blood vessels (mesentery) into the tight sleeve with it.

2. The Classic Clinical Triad (And Why You Must Never Wait for the Stool)¶

Textbooks teach a classic triad of Colicky Abdominal Pain + Palpable Sausage Mass + Red "Currant Jelly" Stool, but fewer than 30 percent of infants have all three signs when they first arrive at the Emergency Department:

1. Sign 1 (Present in 85-90%): Sudden, Paroxysmal "Knee-to-Chest" Screaming Waves Every 15 to 20 Minutes:
2. A baby who was playing or sleeping suddenly lets out a piercing, agonizing scream, turns pale, sweats, and draws both knees tightly up against their abdomen for 2 to 5 minutes as a peristaltic contraction squeezes the telescoped bowel.
3. Then the contraction stops, and the baby abruptly stops crying.
4. Sign 2 (The Most Dangerous Diagnostic Pitfall): Profound Post-Spasm Lethargy / "Stroke-Like" Floppiness:
5. During the 15-to-20-minute interval between pain spasms, compressed mesenteric veins release endogenous opioids and inflammatory mediators that make the infant listless, glassy-eyed, pale, somnolent, or completely floppy. In fact, 10 to 15 percent of infants with intussusception present with profound lethargy and altered mental status without obvious crying, initially looking like sepsis or meningitis.
6. Sign 3 (A LATE Sign of Mucosal Venous Congestion): "Currant Jelly" Stool:
7. As the trapped inner bowel sleeve swells, venous blood cannot escape while arterial blood keeps pumping in. The congested intestinal lining weeps dark venous blood mixed with thick goblet-cell mucus, producing a stool that looks like dark red currant jelly or raspberry jam.
8. CRITICAL RULE: "Currant jelly" stool means the bowel mucosa is already congested and bleeding. Go to the Pediatric ED at the stage of cyclic knee-to-chest screaming + intermittent lethargy/vomiting, hours before bloody stool ever appears.

3. How Doctors Fix Intussusception Without Any Surgery (The Air or Saline Enema)¶

If you bring your child to a Pediatric Emergency Department early (within the first 12 to 24 hours, before bowel perforation): - Diagnostic Ultrasound (100% Radiation-Free): Takes 5 minutes and reveals the unmistakable "Target Sign" / "Donut Sign" / "Bull's-Eye Sign" (concentric rings of bowel inside bowel) in cross-section. - Non-Surgical Pneumatic (Air) or Hydrostatic (Saline) Contrast Enema Reduction: In 85 to 90 percent of cases, no surgical incision is needed at all. Under real-time ultrasound or fluoroscopy guidance, the pediatric radiologist places a soft catheter gently into the rectum and introduces controlled air pressure (\(\le 120\text{ mmHg}\)) or warm saline that gently pushes the telescoped ileum backward out of the colon in 3 minutes, giving the child instant relief. (Note: in 5 to 10 percent of children, the bowel can re-telescope within the first 24 to 48 hours while the Peyer's patch is still swollen, so watch closely after discharge for any return of cyclic cramping).

Phase 5: Other life-threatening causes of infant vomiting and screaming (Incarcerated Inguinal Hernia, Testicular Torsion, and Cow's Milk Protein Enterocolitis / FPIES)¶

Whenever a baby or toddler presents with sudden inconsolable crying and forceful vomiting, pediatric emergency physicians always strip off the diaper completely to check for two external anatomical emergencies and one severe food-protein shock syndrome that closely mimic intussusception and pyloric stenosis:

1. Incarcerated or Strangulated Inguinal Hernia (Always Check the Diaper Crease)¶

Affecting 1 to 5 percent of full-term infants and up to 10 to 30 percent of premature infants (8 times more common in boys, though also seen in girls where an ovary can herniate into the canal of Nuck), an inguinal hernia occurs when a loop of small intestine slips through an unclosed congenital tunnel (patent processus vaginalis) into the groin crease or scrotum. - What Parents See when the Diaper Comes Off: - A firm, tense, non-compressible lump or swelling in the groin crease (or one side of the scrotum/labia) that does not flatten out when the baby stops crying, often turning red, dusky purple, or exquisitely tender to the touch. - Because the pinched loop of bowel is completely blocked inside the tight inguinal ring, the baby develops paroxysmal screaming, abdominal distension, and forceful vomiting (which turns bilious green). - Immediate Action: - NEVER try to push a hard, red, or tender groin lump back inside yourself at home (risk of rupturing ischemic bowel or reducing dead bowel en masse). Go to a Pediatric Emergency Department immediately so a pediatric surgeon can perform sedated manual reduction (taxis) within the 6-hour viability window before bowel or testicular infarction occurs.

2. Neonatal or Infant Testicular Torsion¶

In male infants, twisting of the spermatic cord (testicular torsion) triggers intense vagal nausea, forceful vomiting, and sudden screaming where the baby pulls their legs up, easily mistaken for colic or intussusception if the diaper stays fastened. - The Mandatory Diaper-Off Scrotal Check: Always inspect both sides of the scrotum during any sudden infant crying or vomiting crisis. If one side of the scrotum is swollen, firm, riding high, or bluish-red, rush to the Emergency Department immediately (testicular salvage drops precipitously after 4 to 6 hours of ischemia).

3. Acute Food Protein-Induced Enterocolitis Syndrome (FPIES) vs. Surgical Obstruction¶

What if a 2-to-9-month-old infant starts repetitive, profuse projectile vomiting 1 to 4 hours after trying a new food (most commonly cow's milk formula, soy, oats, rice cereal, egg, or banana) and rapidly becomes limp, pale, ashen-grey, and hypothermic? - Acute FPIES: A non-IgE cell-mediated gastrointestinal hypersensitivity reaction that causes massive fluid shifts into the gut lumen (third-spacing), causing 15 to 20 percent of infants to present in profound hypovolemic shock that looks identical to sepsis, intussusception, or volvulus. - Emergency Management: Even if you suspect FPIES from a new food introduced 2 hours earlier, go to the Emergency Department immediately. Acute FPIES requires rapid intravenous normal saline fluid boluses (20 mL/kg) and intravenous or oral ondansetron (Zofran) to halt the cytokine-driven vomiting cascade and prevent shock.

Home assessment checklist: infant dehydration and shock red flags¶

Whenever an infant is vomiting repeatedly, check these 5 Hydration & Perfusion Markers before and during transport to the hospital:

• Count Wet Diapers Over the Last 12 to 24 Hours: A hydrated infant under 6 months should produce at least 6 heavy wet diapers per 24 hours (at least 1 wet diaper every 4 to 6 hours). Going more than 6 hours with a bone-dry diaper (or dark orange/pink brick-dust urate crystals in the diaper) signals significant dehydration.
• Check the Anterior Fontanelle ("Soft Spot" on Top of Head): When held calmly in an upright sitting position, the diamond-shaped soft spot on top of the baby's head should feel flat and soft. A deeply sunken, concave soft spot indicates moderate-to-severe fluid volume loss (whereas a tight, bulging fontanelle indicates raised intracranial pressure/meningitis).
• Check Tears, Mouth Moisture, and Eye Appearance: Run a clean finger inside the baby's cheek: it should feel slick with wet saliva. A dry, sticky, parched tongue, crying without any liquid tears, and sunken, dark-ringed eyes indicate \(\ge 5\text{ to }10\%\) dehydration.
• Test Central & Peripheral Capillary Refill (The 2-Second Sternum Press): Press your fingertip gently against the center of the baby's breastbone (sternum) or big toe for 3 seconds until the skin blanches white, then release: pink color should flush back in under 2 seconds. A refill time of 3 seconds or longer, or mottled, cool extremities, indicates compensated hypovolemic shock.
• Check Breathing Pattern: Rapid, deep sighing breaths (Kussmaul respirations) indicate severe metabolic acidosis from dehydration or bowel ischemia, whereas unusually slow, shallow breathing can occur in severe metabolic alkalosis (pyloric stenosis).

Frequently asked questions¶

What is the difference between yellow vomit and green (bilious) vomit in a baby?¶

Pale yellow or buttery vomit comes from normal milk fat, colostrum, or stomach fluid above the bile duct and is common in benign reflux or stomach bugs. Bright lime-green, highlighter-green, or dark forest-green (bilious) vomit contains liver bile that empties into the intestine below the stomach in the second part of the duodenum. If green bile is coming up out of an infant's mouth, it means the intestine is physically blocked below the bile duct, most dangerously from Intestinal Malrotation with Midgut Volvulus, where the entire small bowel twists around its main artery and can die within 2 to 6 hours. Any green vomit in an infant requires an immediate trip to the emergency room.

How can I tell the difference between normal baby spit-up and projectile vomiting from pyloric stenosis?¶

Normal physiological reflux ("happy spitting") happens effortlessly during or right after a burp, rolls gently down the baby's chin or chest, and the baby stays comfortable and gains weight steadily. Hypertrophic pyloric stenosis typically begins between 2 and 8 weeks of age and causes progressive, high-pressure projectile vomiting where the entire feeding of white, non-bilious milk shoots in an arc 30 to 90 centimeters (1 to 3 feet) away from the baby's mouth, followed immediately by the baby crying frantically to eat again ("the hungry vomiter"), weight loss, and fewer wet diapers.

Why does a baby with intussusception seem to fall asleep or act completely normal for 15 minutes between screaming fits?¶

In intussusception, one segment of intestine slides inside the next like a telescope. Every 15 to 20 minutes, a natural wave of intestinal muscular contraction (peristalsis) squeezes the trapped inner bowel and its pinched blood vessels, causing 2 to 5 minutes of excruciating colicky pain where the baby screams and pulls both knees to their chest. When that peristaltic wave relaxes, the acute squeezing pauses and the compressed bowel releases surge levels of endogenous opioids (endorphins) and autonomic vagal signals that make the baby look eerily quiet, pale, exhausted, or lethargic until the next contraction hits 15 minutes later.

Does a baby with intussusception or pyloric stenosis always need major open abdominal surgery?¶

No. For ileocolic intussusception caught early before bowel perforation, 85 to 90 percent of babies are cured without any surgical incision at all using a 5-minute ultrasound- or X-ray-guided Air or Saline Enema in the radiology suite, which gently pushes the telescoped bowel back into place. For hypertrophic pyloric stenosis, once intravenous fluids correct the baby's dehydration and electrolytes over 12 to 24 hours, surgeons perform a minimally invasive laparoscopic pyloromyotomy through tiny 3-millimeter keyhole incisions; the surgery takes 15 to 20 minutes, and most babies begin drinking milk within 4 to 6 hours and go home the next day.

Sources checked¶

• American Pediatric Surgical Association (APSA) & American Academy of Pediatrics (AAP, Section on Surgery): Clinical Practice Guidelines for Evaluation of Bilious Emesis in the Neonate (Malrotation and Midgut Volvulus), Hypertrophic Pyloric Stenosis Resuscitation Targets, and Ileocolic Intussusception Reduction.
• Royal College of Paediatrics and Child Health (RCPCH) & National Institute for Health and Care Excellence (NICE, United Kingdom, Guideline NG1 & CG84): Gastro-Oesophageal Reflux Disease and Surgical Red Flags for Projectile and Bilious Vomiting in Infants and Children.
• American College of Radiology (ACR): Appropriateness Criteria for Vomiting in Infants Up to 3 Months of Age (Upper GI Series for Volvulus vs. Ultrasound for Pyloric Stenosis and Intussusception).
• World Health Organization (WHO): Pocket Book of Hospital Care for Children: Guidelines for the Management of Common Childhood Illnesses and Acute Surgical Abdomen.

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• Infant high fever and febrile seizures
• Prolonged childhood fever (5+ days), Kawasaki disease, and pediatric red flags
• Button battery and high-powered neodymium magnet ingestion in children
• Child ingested foreign object: coins, sharps, and airway vs. gut triage
• Emergency numbers by country