Pediatric Medical and Trauma Emergencies - NREMT Paramedic Level

SECTION 1

Historical Context & Motivation

For much of modern medical history, children were treated as miniature adults, a philosophy that led to devastating consequences in emergency care. The unique anatomical, physiological, and psychological characteristics of pediatric patients were poorly understood, resulting in inappropriate medication dosing, improperly sized equipment, and assessment approaches that failed to detect early signs of decompensation. The recognition that pediatric emergency medicine required its own body of knowledge, specialized tools, and dedicated training represented a paradigm shift in prehospital care. This evolution was driven by unacceptably high pediatric mortality rates and a growing body of evidence that children respond differently to illness and injury across every age group, from neonates to adolescents.

1966 • White Paper on Accidental Death

The National Academy of Sciences published Accidental Death and Disability: The Neglected Disease of Modern Society, catalyzing the development of modern EMS systems but largely ignoring pediatric-specific needs.

1984 • EMSC Program Established

The Emergency Medical Services for Children (EMSC) program was created through federal legislation, establishing the first national initiative to improve pediatric emergency care across all settings, including prehospital.

1988 • Broselow Tape Introduced

Dr. James Broselow introduced the length-based resuscitation tape, providing paramedics with a rapid, weight-estimation tool that dramatically reduced pediatric medication dosing errors in the field.

2000 • First PALS Guidelines

The American Heart Association formalized Pediatric Advanced Life Support (PALS) guidelines, establishing evidence-based algorithms for pediatric cardiac arrest, respiratory failure, and shock management.

2018 • Pediatric Readiness Project

National assessment data revealed that only 18% of emergency departments met pediatric readiness standards, reinforcing the critical role of well-trained prehospital providers in initiating age-appropriate care before hospital arrival.

The central question driving pediatric emergency medicine remains deceptively simple yet profoundly complex: how do we rapidly identify and treat life-threatening conditions in patients whose normal vital signs, anatomy, and compensatory mechanisms vary dramatically with age? The answer requires paramedics to maintain a mental framework that integrates developmental anatomy, age-specific physiology, and weight-based pharmacology into every pediatric patient encounter.

SECTION 2

Core Principles & Definitions

Effective pediatric prehospital care is built upon several foundational principles that distinguish it from adult emergency medicine. The Pediatric Assessment Triangle (PAT) serves as the initial across-the-room evaluation tool, allowing paramedics to form a rapid general impression before any hands-on assessment occurs. Understanding these core principles ensures that providers can identify the critically ill or injured child within seconds of patient contact and initiate the correct intervention pathway.

Pediatric Assessment Triangle

A rapid, across-the-room evaluation tool assessing three components: Appearance (mental status/muscle tone via the TICLS mnemonic), Work of Breathing (respiratory effort including retractions, nasal flaring, and abnormal positioning), and Circulation to Skin (pallor, mottling, cyanosis). This triangle provides an immediate general impression before any vital signs are obtained.

Anatomical & Physiological Differences

Children have proportionally larger heads and occiput, a more anterior and cephalad airway, smaller tidal volumes with higher metabolic demand, and limited glycogen reserves. The pediatric cardiovascular system compensates for hypovolemia primarily through tachycardia rather than vasoconstriction, meaning hypotension is a late and ominous sign.

Weight-Based Interventions

All pediatric medication dosing, fluid resuscitation volumes, and equipment sizing are determined by weight in kilograms. The Broselow-Luten system and formulas such as weight (kg) = (age in years × 2) + 8 provide rapid estimation when a measured weight is unavailable. Dosing errors remain a leading cause of preventable pediatric harm.

Compensated vs. Decompensated Shock

Pediatric patients can maintain near-normal blood pressure despite losing up to 25–30% of circulating blood volume through compensatory tachycardia. Decompensated shock with hypotension signals imminent cardiovascular collapse, requiring immediate fluid resuscitation at 20 mL/kg isotonic crystalloid boluses and rapid transport.

Injury Patterns by Mechanism

Pediatric trauma patterns differ from adults due to body proportions. The larger head-to-body ratio increases the risk of traumatic brain injury. More pliable ribs transmit force to internal organs without fracture, making internal injuries possible even without external signs. Multisystem injury is the rule, not the exception, in significant pediatric trauma.

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KEY TAKEAWAY

Think of a child's cardiovascular system like a small but powerful engine running at near-maximum RPM at baseline. When that engine encounters a crisis—say a fuel leak (hemorrhage)—it can rev even higher temporarily to compensate, but once it runs out of reserve, it stalls catastrophically without warning. In contrast, an adult engine has more displacement and can modulate output across a wider range. This is why tachycardia in a pediatric patient must always be treated as a potential sign of shock until proven otherwise, and why waiting for hypotension means waiting too long.

SECTION 3

Visual Explanation — The Pediatric Assessment Triangle

The Pediatric Assessment Triangle evaluates three domains—Appearance (via TICLS mnemonic), Work of Breathing, and Circulation to Skin—to form a general impression in under 30 seconds. Abnormalities in one domain suggest a specific pathophysiology (e.g., respiratory distress), while multiple abnormal domains indicate more severe illness such as respiratory failure or shock.

The Pediatric Assessment Triangle provides a structured yet rapid framework for the initial general impression. The Appearance component, evaluated through the TICLS mnemonic (Tone, Interactiveness, Consolability, Look/gaze, Speech/cry), is the single most important indicator of overall severity of illness or injury. A child who appears limp, unresponsive, or inconsolable warrants immediate intervention regardless of vital sign values. The Work of Breathing assessment identifies respiratory distress through visible signs such as intercostal retractions, suprasternal retractions, nasal flaring, tripod positioning, and head bobbing in infants. Finally, Circulation to Skin reveals perfusion status through pallor, mottling patterns, and central versus peripheral cyanosis. When all three sides of the triangle are abnormal, the child is in cardiopulmonary failure and requires immediate resuscitation.

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Clinical Pearl

An abnormal appearance with normal work of breathing and normal circulation to skin should raise suspicion for primary CNS dysfunction—consider hypoglycemia, seizure, meningitis, intracranial hemorrhage, or ingestion/poisoning. Always check a blood glucose on any pediatric patient with altered mental status.

SECTION 4

Physiological Mechanisms & Weight-Based Calculations

Pediatric emergency care requires precise weight-based calculations for fluid resuscitation, medication dosing, and equipment sizing. Understanding the physiological rationale behind these calculations is essential for the paramedic who must make rapid, high-stakes decisions under pressure. The following formulas represent the core quantitative framework for pediatric prehospital interventions.

ESTIMATED WEIGHT (1–10 YEARS)

Weight (kg) = (Age in years × 2) + 8

This formula estimates weight in kilograms for children aged 1–10 years when a measured weight or Broselow tape is unavailable. For infants < 1 year, use approximately 4–10 kg based on age in months. For children > 10 years, use: Weight (kg) = (Age × 3) + 7.

FLUID RESUSCITATION BOLUS

Bolus volume (mL) = Weight (kg) × 20 mL/kg

Isotonic crystalloid (normal saline or lactated Ringer's) is administered in 20 mL/kg boluses for hypovolemic or septic shock. Reassess after each bolus—a total of 60 mL/kg (three boluses) may be given before considering vasopressors. In trauma, limit crystalloid to avoid dilutional coagulopathy; current guidelines emphasize balanced resuscitation.

ENDOTRACHEAL TUBE SIZE

Uncuffed ETT (mm) = (Age in years ÷ 4) + 4 | Cuffed ETT (mm) = (Age in years ÷ 4) + 3

These formulas estimate the internal diameter of the endotracheal tube for children aged 1–12 years. Current evidence supports the use of cuffed tubes in all pediatric patients, including neonates, as long as cuff pressure is monitored (< 20 cmH₂O). Always have one size larger and one size smaller available.

MAINTENANCE FLUID RATE (4-2-1 RULE)

First 10 kg: 4 mL/kg/hr + Next 10 kg: 2 mL/kg/hr + Each kg > 20: 1 mL/kg/hr

The Holliday-Segar formula calculates hourly maintenance fluid requirements. A 25-kg child would require (10 × 4) + (10 × 2) + (5 × 1) = 65 mL/hr. This is separate from bolus resuscitation and is used for ongoing fluid management during extended transport.

The physiological basis for weight-based dosing reflects the fact that children have a higher metabolic rate per kilogram of body weight, a larger proportion of total body water, and different pharmacokinetic profiles than adults. A child's circulating blood volume is approximately 80 mL/kg (compared to approximately 70 mL/kg in adults), meaning that even small absolute volumes of blood loss represent a significant percentage of total circulating volume. A 10-kg infant has only 800 mL of total blood volume—a loss of just 200 mL represents a 25% hemorrhage, equivalent to Class III shock.

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Minimum Acceptable Systolic BP

For children aged 1–10 years, the lower limit of normal systolic blood pressure can be estimated as: SBP (mmHg) = 70 + (Age in years × 2). Any systolic pressure below this threshold should be treated as hypotension indicating decompensated shock. For infants less than 1 year, SBP < 60 mmHg is considered hypotensive. For children > 10 years, use the adult threshold of < 90 mmHg.

SECTION 5

Classification of Pediatric Emergencies

Pediatric emergencies are broadly categorized into medical and trauma emergencies, each with distinct assessment priorities, intervention algorithms, and transport considerations. Medical emergencies encompass respiratory distress, seizures, sepsis, diabetic emergencies, allergic reactions, and toxic ingestions. Trauma emergencies include blunt and penetrating injuries, with specific attention to head trauma, abdominal injuries, and musculoskeletal injuries characteristic of pediatric anatomy. The following diagram illustrates the major categories and their key differentiating features.

This classification diagram divides pediatric emergencies into medical emergencies (respiratory, neurological, shock/sepsis, toxic exposure, and metabolic/endocrine) and trauma emergencies (head/spine, thorax/abdomen, musculoskeletal, and burns). The bottom bar emphasizes the critical importance of always considering non-accidental trauma in the differential.

Age Group	Normal HR (bpm)	Normal RR (breaths/min)	Normal SBP (mmHg)	Blood Volume (mL/kg)
Neonate (0–28 days)	120–160	30–60	60–80	80
Infant (1–12 months)	100–160	25–50	70–90	80
Toddler (1–3 years)	90–150	20–30	80–100	80
Preschool (4–5 years)	80–140	20–25	80–110	80
School age (6–12 years)	70–120	15–20	80–120	80
Adolescent (13+ years)	60–100	12–20	90–130	70

Normal Pediatric Vital Signs by Age Group

This reference table is essential for recognizing abnormal vital signs in the field. Note that tachycardia out of proportion to the clinical situation is often the earliest measurable sign of shock, preceding any change in blood pressure by a significant margin. Bradycardia in a pediatric patient is almost always an ominous sign indicating severe hypoxia or impending cardiac arrest and demands immediate intervention with oxygenation and ventilation.

SECTION 6

Worked Example — Pediatric Shock Assessment and Management

The following scenario illustrates the systematic approach to a pediatric medical emergency from initial dispatch through definitive intervention, integrating the Pediatric Assessment Triangle, vital sign interpretation, weight estimation, and fluid resuscitation.

Scenario: 4-Year-Old with Vomiting, Diarrhea, and Altered Mental Status

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Step 1 — Scene Assessment & PAT

You arrive to find a 4-year-old female lying in her mother's arms. The child appears limp, has a weak cry, and does not track visually (abnormal Appearance). You observe tachypnea without retractions (normal Work of Breathing). The child's skin is pale and mottled (abnormal Circulation to Skin). History reveals 3 days of profuse vomiting and diarrhea with minimal oral intake.

PAT Interpretation: Abnormal Appearance + Abnormal Circulation = Shock
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Step 2 — Estimate Weight

No measured weight is available. Using the weight estimation formula for a 4-year-old: Weight (kg) = (Age × 2) + 8 = (4 × 2) + 8 = 16 kg. The Broselow tape measurement confirms this estimate falls within the blue zone.

Estimated weight: 16 kg
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Step 3 — Obtain Vital Signs & Interpret

Vital signs: HR 180 bpm, RR 32 breaths/min, BP 72/40 mmHg, SpO₂ 97% on room air, temperature 38.9°C, capillary refill 4 seconds, blood glucose 62 mg/dL. The minimum acceptable SBP for a 4-year-old is: 70 + (4 × 2) = 78 mmHg. The patient's SBP of 72 mmHg is below threshold, indicating decompensated shock.

Decompensated hypovolemic shock confirmed (HR 180, SBP 72 < 78 threshold)
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Step 4 — Initiate Fluid Resuscitation

Establish IV/IO access. Calculate the first fluid bolus: 20 mL/kg × 16 kg = 320 mL of normal saline, administered as rapidly as possible. After the first bolus, reassess: HR decreases to 160, BP improves to 78/48, capillary refill improves to 3 seconds. The patient has improved but still shows signs of compensated shock. Administer a second 320 mL bolus.

First bolus: 320 mL NS → partial improvement. Second bolus initiated: 320 mL NS.
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Step 5 — Adjunct Interventions & Transport Decision

Address the borderline hypoglycemia with oral glucose if the patient can protect her airway, or D10W IV at 5 mL/kg (80 mL). Apply high-flow O₂ via non-rebreather. Obtain 12-lead rhythm strip to rule out SVT as a cause of tachycardia. Reassess after second bolus: HR 140, BP 84/52, capillary refill 2 seconds, child is now tracking visually and crying appropriately. Transport to a pediatric-capable facility with ongoing reassessment every 5 minutes.

Total fluid: 640 mL (40 mL/kg). Patient transitioning from decompensated to compensated shock. Rapid transport to pediatric center.

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CLINICAL DECISION POINT

This case demonstrates the critical concept that serial reassessment drives treatment. Each 20 mL/kg bolus is a diagnostic challenge test—if the patient improves, continue resuscitation; if there is no improvement after 60 mL/kg (three boluses), suspect an etiology beyond simple volume depletion (e.g., septic shock requiring vasopressors, or cardiogenic shock where fluids may worsen the condition).

SECTION 7

Pediatric vs. Adult Emergency Considerations

Understanding the key differences between pediatric and adult emergency presentations is critical for preventing the cognitive error of applying adult assessment and treatment frameworks to pediatric patients. The following table highlights the most clinically significant distinctions that directly impact prehospital management decisions.

Parameter	Pediatric Patient	Adult Patient
Primary cause of cardiac arrest	Respiratory failure or shock (hypoxic arrest) — shockable rhythms rare	Primary cardiac dysrhythmia (VF/VT) — shockable rhythms common
Early shock indicator	Tachycardia; hypotension is a LATE and ominous sign	Tachycardia and progressive hypotension occur more predictably
Airway anatomy	Larger tongue, anterior/cephalad larynx, shorter trachea, narrowest at cricoid (< 8 yrs)	Narrowest at glottis, longer trachea, relatively smaller tongue
Head/body proportions	Large head-to-body ratio; prominent occiput requires padding under torso for neutral alignment	Proportional; standard head-tilt/chin-lift adequate for alignment
Chest wall compliance	Highly compliant ribs transmit force to internal organs without fracture	Less compliant; rib fractures are common indicators of force
Medication dosing	Strictly weight-based (mg/kg); dosing errors are a leading cause of harm	Standard adult doses for most medications
Hypothermia risk	Very high due to large body surface area-to-mass ratio; neonates cannot shiver	Lower risk; shivering provides effective thermogenesis
IO access	First-line if IV access not achieved within 90 seconds or 2 attempts	Alternative when peripheral IV fails; typically less urgently needed

Key Differences Between Pediatric and Adult Emergency Management

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KEY TAKEAWAY

The single most critical distinction is that pediatric cardiac arrest is almost always secondary to respiratory failure or shock rather than a primary cardiac event. This means that aggressive airway management, oxygenation, and ventilation are the highest-priority interventions in a deteriorating pediatric patient. If you can recognize and treat respiratory failure and shock before arrest occurs, you dramatically improve survival. Once a child is in full cardiac arrest, survival rates are dismal—prevention through early recognition is the paramedic's greatest tool.

SECTION 8

Connection to Advanced Pediatric Critical Care

The prehospital pediatric assessment and management skills discussed in this lesson form the foundation for more advanced concepts encountered in pediatric critical care transport, pediatric intensive care, and pediatric trauma surgery. Understanding how prehospital interventions connect to definitive hospital care reinforces the importance of early, accurate assessment and appropriate field management.

Prehospital Concept	Advanced Hospital Extension
PAT general impression identifies respiratory failure	PICU team initiates mechanical ventilation with lung-protective strategies (tidal volume 6–8 mL/kg ideal body weight)
20 mL/kg crystalloid boluses for shock	Goal-directed therapy with vasopressor titration (epinephrine, norepinephrine) and central venous access for septic shock per surviving sepsis guidelines
Blood glucose check and D10W administration	Continuous glucose monitoring, insulin infusion protocols for DKA, evaluation for inborn errors of metabolism
C-spine immobilization and padding for pediatric trauma	Advanced neuroimaging (CT/MRI), ICP monitoring, surgical decompression for epidural/subdural hematomas, SCIWORA evaluation
Benzodiazepine administration for status epilepticus	Continuous EEG monitoring, second-line agents (fosphenytoin, levetiracetam, phenobarbital), refractory status management with midazolam/pentobarbital infusion
Recognition of non-accidental trauma patterns	Skeletal survey, retinal exam, child abuse team consultation, forensic evidence collection, mandatory reporting protocols

Prehospital Concepts and Their Advanced Hospital Extensions

Looking forward, the field of pediatric prehospital care is evolving rapidly. Emerging areas include prehospital point-of-care ultrasound (POCUS) for pediatric assessment, which can identify pneumothorax, pericardial effusion, and intra-abdominal free fluid before hospital arrival. Telemedicine-guided pediatric resuscitation is being implemented in rural systems, allowing paramedics to consult pediatric emergency physicians in real time during critical interventions. Additionally, the push toward prehospital blood product administration for pediatric hemorrhagic shock mirrors the whole-blood resuscitation paradigm shift already underway in adult trauma care. These advances build directly upon the foundational assessment and management principles covered in this lesson.

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NREMT Exam Connection

The NREMT paramedic exam heavily tests the ability to recognize when a pediatric patient is transitioning from compensated to decompensated shock, the correct sequence of interventions for pediatric respiratory emergencies, and weight-based dosing calculations. Expect scenario-based questions that require integrating the PAT findings with vital signs to determine the appropriate intervention pathway. Remember: the most common correct answer in a deteriorating pediatric patient is to optimize ventilation and oxygenation first.

SECTION 9

Practice Problems

Question 1: CONCEPTUAL

A 2-year-old child is found sitting in her mother's lap, crying vigorously, with no retractions or abnormal respiratory sounds, and pink skin with brisk capillary refill. Using the Pediatric Assessment Triangle, what is your general impression, and what does it tell you about the urgency of intervention?

Show answer

The PAT reveals a child with normal Appearance (vigorous cry, good tone, consolable by parent), normal Work of Breathing (no retractions, no abnormal sounds), and normal Circulation to Skin (pink, brisk cap refill). All three sides of the triangle are normal, indicating the child is in a stable condition. While a full assessment including vital signs and history is still warranted, the general impression does not suggest an immediate life threat. The PAT allows you to prioritize this patient appropriately in a multi-patient scenario.

Question 2: BASIC CALCULATION

You are treating a 6-year-old male in hypovolemic shock following a bicycle accident with suspected splenic laceration. No scale or Broselow tape is available. Calculate the estimated weight, the volume of the first fluid bolus, and the minimum acceptable systolic blood pressure for this patient.

Show answer

Using the weight estimation formula: Weight = (Age × 2) + 8 = (6 × 2) + 8 = 20 kg. The first fluid bolus at 20 mL/kg = 20 × 20 = 400 mL of isotonic crystalloid (normal saline or lactated Ringer's). The minimum acceptable SBP = 70 + (Age × 2) = 70 + 12 = 82 mmHg. Any systolic pressure below 82 mmHg in this patient indicates decompensated shock. In a trauma context, limit crystalloid resuscitation and pursue rapid transport to a pediatric trauma center.

Question 3: INTERMEDIATE

You respond to a febrile 8-month-old with a reported generalized tonic-clonic seizure lasting 5 minutes that has now stopped. The infant is postictal—limp, eyes closed, weak cry. Vital signs: HR 190, RR 44, SpO₂ 91%, temp 39.8°C. Describe your assessment findings using the PAT and outline your management priorities in order.

Show answer

The PAT shows abnormal Appearance (limp, poor interactiveness, weak cry), mildly increased Work of Breathing (tachypneic but no significant retractions), and likely normal Circulation to Skin (febrile vasodilation). Management priorities in order: (1) Ensure airway patency—position the infant with a thin pad under the shoulders to achieve neutral alignment given the prominent occiput, suction as needed; (2) Address the hypoxemia—apply blow-by or high-flow O₂ to target SpO₂ > 94%; (3) Check blood glucose since seizures deplete glycogen stores, and treat hypoglycemia with D10W at 5 mL/kg if present; (4) Active cooling measures for the high fever (remove clothing, lukewarm compresses); (5) If seizure recurs, administer midazolam 0.2 mg/kg IM or IN per protocol; (6) Transport with continuous monitoring. The tachycardia is likely sinus and related to fever rather than shock.

Question 4: APPLIED

You are called to a daycare for a 3-year-old with sudden onset of respiratory distress. The child was eating grapes when he began coughing, then developed stridor and now has significant suprasternal and intercostal retractions. He is sitting upright, drooling, and appears anxious but conscious. SpO₂ is 88%. His mother reports no history of asthma or allergies. Differentiate the likely diagnosis from croup and epiglottitis, and describe your immediate management.

Show answer

The acute onset during eating, sudden coughing followed by stridor and retractions, and the absence of fever or prodromal illness strongly suggest foreign body airway obstruction (FBAO). Croup would present with a gradual onset barky cough, often preceded by URI symptoms, and typically in the evening. Epiglottitis presents with high fever, toxic appearance, muffled voice, and the classic 'tripod position' but is rare in vaccinated children. This child's presentation—conscious with partial obstruction (stridor, able to cough)—calls for a specific intervention sequence: (1) Encourage the child to continue coughing if the cough is forceful; (2) If cough becomes ineffective or the child deteriorates, perform abdominal thrusts (Heimlich maneuver is appropriate for children > 1 year); (3) If the child becomes unresponsive, begin CPR with a focus on chest compressions generating enough intrathoracic pressure to expel the object, performing a visual sweep of the mouth before ventilations; (4) Prepare for direct laryngoscopy with Magill forceps if the object is visible; (5) Transport emergently with continuous monitoring. Do NOT perform blind finger sweeps.

Question 5: CRITICAL THINKING

You respond to a home where a 14-month-old presents with a spiral fracture of the right femur. The caregiver (mother's boyfriend) states the child fell off the couch 30 minutes ago. The child is also noted to have circular bruises on the upper arms and a healing bruise on the left cheek. The mother is at work. Analyze the consistency of the mechanism of injury with the injury pattern, describe the additional assessment findings that raise concern, and outline your legal and ethical responsibilities as a paramedic in this situation.

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This scenario presents multiple red flags for non-accidental trauma (NAT). A spiral femur fracture in a 14-month-old is highly suspicious because: (1) Spiral fractures result from rotational/twisting forces, which are inconsistent with a simple fall from a couch; (2) A child of this age (pre-walking or early walking) lacks the biomechanics to generate the force needed for a femur fracture from a low-height fall; (3) The circular bruises on the upper arms suggest forceful gripping; (4) The healing bruise on the cheek indicates a prior injury—bruising in non-mobile or pre-cruising infants is extremely rare from accidental causes. Additional concerns include the history being provided by a non-parent caregiver, the mechanism being inconsistent with the severity of injury, and injuries in multiple stages of healing. As a paramedic, you are a mandatory reporter in all 50 states. You must: (1) Provide appropriate medical care including splinting, pain management, and assessment for other injuries; (2) Document all findings objectively and in detail, including exact quotes from the caregiver; (3) Report your suspicion to the receiving hospital and to your local child protective services or law enforcement as required by your state protocols; (4) Avoid confronting the caregiver, as this could escalate danger to the child or compromise the investigation. You do not need to prove abuse—you need only have a reasonable suspicion to trigger the reporting obligation.

SUMMARY

Lesson Summary

Summary

Pediatric emergency care demands a fundamentally different clinical approach from adult medicine. The Pediatric Assessment Triangle (PAT) provides an across-the-room general impression in under 30 seconds by evaluating Appearance (via the TICLS mnemonic), Work of Breathing, and Circulation to Skin. All interventions—including fluid resuscitation at 20 mL/kg boluses, medication dosing, and endotracheal tube sizing—are strictly weight-based, estimated using the formula Weight (kg) = (Age × 2) + 8 or the Broselow tape when a measured weight is unavailable.

The most critical clinical concept is that pediatric cardiac arrest is almost always secondary to respiratory failure or shock, making early recognition and aggressive airway management the highest-priority interventions. Tachycardia is the earliest sign of shock in children, while hypotension is a late and ominous finding indicating decompensated shock and imminent cardiovascular collapse. Pediatric trauma presents unique challenges due to the larger head-to-body ratio, compliant chest wall that transmits force without rib fractures, and the ever-present obligation to consider non-accidental trauma. Paramedics must integrate age-specific vital sign ranges, anatomical differences, and developmental considerations into every pediatric patient encounter to optimize outcomes in this vulnerable population.