3. Airway and Resuscitation

Pediatric Resuscitation

Resuscitation adaptations for infants and children, dose calculations, and family-centered support during emergencies.

Pediatric Resuscitation

Hey students! 👋 Welcome to one of the most critical lessons in paramedicine - pediatric resuscitation. This lesson will equip you with the essential knowledge and skills needed to save young lives during cardiac emergencies. You'll learn how resuscitation techniques differ for infants and children compared to adults, master weight-based medication calculations, and understand the importance of family-centered care during these high-stress situations. By the end of this lesson, you'll feel confident approaching pediatric emergencies with the specialized knowledge these vulnerable patients deserve! 🚑

Understanding Pediatric Physiology and Age Classifications

When it comes to pediatric resuscitation, students, size definitely matters! The human body undergoes dramatic changes from birth through adolescence, and these differences significantly impact how we approach emergency care. Let's break down the age classifications that guide our treatment protocols.

Infant guidelines apply to babies younger than approximately 1 year of age, while child guidelines cover patients from about 1 year old until they reach puberty (typically around 12-14 years). This isn't just arbitrary - these classifications reflect important physiological differences that directly affect resuscitation success rates.

Here's a fascinating fact: an infant's heart rate can range from 100-160 beats per minute normally, compared to an adult's 60-100 bpm! Their respiratory rate is also much faster, typically 30-60 breaths per minute versus an adult's 12-20. This means their metabolic demands are incredibly high, and they can deteriorate much faster than adults during emergencies.

The most striking difference is in body composition. Infants have proportionally larger heads (about 25% of total body weight compared to 15% in adults) and shorter necks, which affects airway management. Their tongues are also relatively larger, making airway obstruction more likely. Additionally, children have less glycogen stores and smaller blood volumes relative to their weight, meaning they can develop hypoglycemia and shock more rapidly than adults.

CPR Techniques: Size-Specific Approaches

The mechanics of CPR change dramatically based on patient size, students, and understanding these differences can literally mean the difference between life and death. For infants under 1 year, we use a two-finger technique or two-thumb encircling method for chest compressions. The compression depth should be at least one-third the chest diameter, which translates to about 1.5 inches (4 cm).

For children 1 year to puberty, we typically use the heel of one hand for smaller children or both hands for larger children, compressing at least one-third the chest diameter or about 2 inches (5 cm). The compression rate remains consistent across all age groups at 100-120 compressions per minute - think of the beat of "Stayin' Alive" by the Bee Gees! 🎵

Here's where it gets really important: the compression-to-ventilation ratio differs significantly. For single-rescuer CPR, we use 30:2 (30 compressions to 2 breaths) for all ages. However, for two-rescuer CPR in infants and children, we use 15:2, allowing for more frequent ventilations because children are more likely to have respiratory causes for their cardiac arrest.

Ventilation techniques also require special attention. For infants, we create a seal over both the mouth and nose, while for children, we use mouth-to-mouth like adults. The key is providing just enough air to make the chest rise visibly - over-ventilation can cause gastric distention and reduce venous return, actually making the situation worse!

Medication Calculations: Getting the Math Right

This is where precision becomes absolutely critical, students! Pediatric medication dosing is entirely weight-based, and even small calculation errors can have devastating consequences. The golden rule in pediatric emergency medicine is: if you don't know the weight, estimate it using age-based formulas or length-based tapes.

For epinephrine (the most common resuscitation drug), the standard IV/IO dose is 0.01 mg/kg (or 10 mcg/kg) of the 1:10,000 concentration. Let's work through an example: for a 20 kg child, you'd give 0.01 mg/kg × 20 kg = 0.2 mg, which equals 2 mL of the 1:10,000 concentration. If IV/IO access isn't available, the endotracheal dose increases to 0.1 mg/kg (or 0.1 mL/kg of the 1 mg/mL concentration).

Amiodarone for pediatric cardiac arrhythmias is dosed at 5 mg/kg IV/IO bolus. Using our same 20 kg child example: 5 mg/kg × 20 kg = 100 mg total dose. Atropine is calculated at 0.02 mg/kg (minimum dose 0.1 mg, maximum single dose 0.5 mg for children, 1 mg for adolescents).

Here's a pro tip that can save precious seconds: many EMS systems use length-based resuscitation tapes (like the Broselow tape) that provide pre-calculated medication doses based on the child's length. These tools have been shown to reduce dosing errors by up to 75% in emergency situations!

Advanced Airway Management in Pediatric Patients

Airway management in children requires a completely different mindset, students. The pediatric airway is like a funnel - narrowest at the cricoid ring rather than the vocal cords like adults. This means even small amounts of swelling can cause significant obstruction.

Endotracheal tube sizing follows specific formulas. For children over 1 year: (age in years + 16) ÷ 4 for cuffed tubes, or (age in years + 4) ÷ 4 for uncuffed tubes. For infants under 1 year, we typically use 3.0-3.5 mm tubes. Always have one size smaller readily available!

The insertion depth can be estimated using the formula: tube size × 3 for the depth at the lip. So a 4.0 mm tube would be inserted to about 12 cm at the lip. However, clinical assessment and end-tidal CO2 monitoring are essential for confirming proper placement.

Bag-mask ventilation is often more appropriate than intubation in pediatric arrests, especially for short transport times. The key is proper mask seal and avoiding excessive pressure. Remember: children's faces are proportionally smaller, so mask selection is crucial for maintaining an effective seal.

Family-Centered Care During Pediatric Emergencies

Here's something that might surprise you, students - research consistently shows that allowing family members to witness pediatric resuscitation attempts actually improves outcomes and family satisfaction! A landmark study published in the New England Journal of Medicine found that family presence during resuscitation reduced anxiety and depression in family members without interfering with medical care.

However, this requires careful management. Designate a specific team member (often a nurse or social worker if available) to stay with the family, explain procedures, and provide emotional support. This person should be prepared to remove family members if the situation becomes too distressing or if they interfere with care.

Communication during pediatric emergencies requires special sensitivity. Use clear, simple language when explaining procedures to both the child (if conscious) and family members. Avoid medical jargon - instead of saying "we're going to intubate," say "we're going to put a breathing tube in to help with breathing."

Studies show that children as young as 3 years old can understand basic explanations about medical procedures, and providing age-appropriate information can actually reduce their anxiety and improve cooperation. For teenagers, treat them more like adults while still keeping parents informed and involved in decision-making.

Special Considerations and Common Pitfalls

Pediatric resuscitation has several unique challenges that can catch even experienced paramedics off guard, students. Hypothermia develops much faster in children due to their larger surface area-to-body weight ratio. Always ensure adequate warming measures during prolonged resuscitation attempts.

Hypoglycemia is another common issue, especially in infants and toddlers who have limited glycogen stores. The standard treatment is D10 (10% dextrose) at 5 mL/kg (0.5 grams/kg) IV/IO. Never use D50 in children as it can cause severe cellular damage!

Defibrillation energy is calculated at 2-4 joules/kg for the initial shock, with subsequent shocks at 4 joules/kg (maximum 10 joules/kg or adult dose). Pediatric-specific pads should be used when available, and proper pad placement is crucial - never let the pads touch each other!

One critical point: shockable rhythms (VF/pulseless VT) are much less common in pediatric arrests compared to adults. Most pediatric cardiac arrests result from respiratory failure or shock, making high-quality CPR and airway management even more important than defibrillation.

Conclusion

Pediatric resuscitation represents one of the most challenging yet rewarding aspects of paramedicine, students. The key differences from adult care - modified CPR techniques, weight-based medication calculations, specialized airway management, and family-centered approaches - all work together to give these young patients the best possible chance of survival. Remember that children are not just small adults; they have unique physiological characteristics that require adapted treatment protocols. Your ability to quickly assess, calculate accurate medication doses, perform age-appropriate CPR, and support families during these critical moments can truly make the difference between life and death. With practice and continued education, you'll develop the confidence and skills necessary to excel in these high-stakes situations! 🌟

Study Notes

• Age Classifications: Infants (<1 year), Children (1 year to puberty)

• CPR Compression Rates: 100-120/min for all ages

• Compression Depth: At least 1/3 chest diameter (infants: ~1.5 inches, children: ~2 inches)

• CPR Ratios: Single rescuer 30:2, Two rescuer 15:2 for pediatrics

• Epinephrine Dose: 0.01 mg/kg IV/IO (1:10,000), 0.1 mg/kg ET (1:1,000)

• Amiodarone Dose: 5 mg/kg IV/IO bolus

• Atropine Dose: 0.02 mg/kg (min 0.1 mg, max 0.5 mg child/1 mg adolescent)

• Dextrose Treatment: D10 5 mL/kg (0.5 g/kg) for hypoglycemia

• Defibrillation Energy: 2-4 J/kg initial, 4 J/kg subsequent (max 10 J/kg)

• ET Tube Size Formula: (Age + 16) ÷ 4 for cuffed tubes

• ET Tube Depth: Tube size × 3 cm at lip

• Ventilation Rate with Advanced Airway: 20-30 breaths/min

• Family Presence: Beneficial when properly managed with dedicated support person

• Length-Based Tapes: Reduce medication errors by up to 75%

• Hypothermia Prevention: Critical due to high surface area-to-weight ratio

• Shockable Rhythms: Less common in pediatric arrests (respiratory/shock causes predominate)

Practice Quiz

5 questions to test your understanding