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Lesson

Pediatric Work of Breathing

12 min Airway & Breathing Skip to quiz

Objective: Read appearance, work of breathing, and circulation on a child, treat tiring as an emergency, and support ventilation without needing the exact label first.

Why This Is Hard

Adults look shocky when they fail. Kids look “okay” until they don’t. The pediatric assessment triangle (appearance, work of breathing, circulation to the skin) is still the 10-second street read. Retractions, nasal flaring, grunting, and head bobbing mean the child is paying a tax. When the noise stops and they go limp, you are late. Respiratory failure is the main road into pediatric arrest. Your job is oxygen, position, and a bag that does not blow up the stomach — not a 20-minute debate about bronchiolitis versus asthma.

On this truck
  • Look from the door: how do they look, how hard are they working, what color is the skin?
  • A crying, retracting toddler is working. A quiet, pale, head-bobbing infant is tiring.
  • Position sitting if they want to sit. Do not force them flat for your convenience.
  • If they have a pulse but cannot breathe well: small bag, visible chest rise. See the pediatric airway lesson for rates.

Street Sequence

  1. Scene safety. Look before you touch. Appearance — work of breathing — skin.
  2. If they are working: oxygen as they tolerate, sit them up, keep a parent if it calms them, get a sat if it does not start a war.
  3. If they are tiring or bradycardic: that is a ventilation emergency. Open, suction, two-person bag, adjunct. Bradycardia in a hypoxic child is often a breathing problem first.
  4. Do not delay the hospital for a perfect name. Croup, bronchiolitis, asthma, and FBAO (choking) can overlap. Support the airway and move.

Field Rules

  • Appearance: tone, interactiveness, consolability, look/gaze, speech or cry. Floppy and vacant is a red flag.
  • Work of breathing: retractions, nasal flaring, grunting, head bobbing, tripoding, stridor or wheeze. Watch the belly and the neck.
  • Circulation to the skin: pallor, mottling, cyanosis. Cool, mottled, and tired is shock until you prove it is not.
  • Quiet is not better: a child who was screaming and is now silent may have exhausted, not improved.
  • You do not need the exact disease: model EMS language splits bronchiolitis and croup, but the truck move is the same — oxygen, position, suction if secretions, bronchodilators only if your protocol and the picture fit (not every wheeze is asthma).
Say out loud
  • Working vs tiring
  • PAT: appearance, work, skin
  • Small bag — chest rise
  • Bradycardia — bag first

Field Pitfalls

  • Calling a tired infant “calm.”
  • Adult-size bag squeezes on a toddler.
  • Laying a tripoding kid flat to “get a better look.”
  • Waiting for a wheeze to prove it is asthma before you oxygenate.

Practice

60-second drill

Partner: 14-month-old, retractions, sat 88% in a parent’s arms, then goes quiet. First 20 seconds. Then: still a pulse, rate 70. What is the emergency?

Related: Pediatric Airway Differences, Effective BVM Ventilation, Stridor: Croup vs Epiglottitis.

Sources & Further Study

Named guidelines for further study. They are not clinical orders and do not replace your protocol or medical direction.

Education only. Apply learning within your protocols and medical direction. This is not clinical care guidance.

Check Your Understanding

Street decisions from this lesson only. After you check, the key is highlighted. Education practice — not a certification exam.

1. On the pediatric assessment triangle, a previously noisy toddler who is now quiet and limp usually means:
2. Bradycardia in a hypoxic child is most often:
3. The three sides of the pediatric assessment triangle are:
4. A tripoding child who wants to sit should be:
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