Types of breathing pediatrics

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Types of Breathing in Pediatrics

Normal Breathing by Age

Age Group	Normal Respiratory Rate (breaths/min)
Newborn (0–1 month)	40–60
Infant (1–12 months)	30–60
Toddler (1–3 years)	24–40
Preschool (3–5 years)	22–34
School-age (6–12 years)	18–30
Adolescent (12–18 years)	12–20

Neonates and young infants are obligate nose-breathers and exhibit periodic breathing (short pauses <10 seconds) as a normal variant.

Physiological / Normal Breathing Types

1. Eupnea

Normal, effortless breathing at an appropriate rate and depth for age.

2. Periodic Breathing (Normal in Neonates)

Cycles of breathing interrupted by pauses of 5–10 seconds, without bradycardia or desaturation. Common in preterm and term neonates; typically resolves by 6 months.

3. Diaphragmatic Breathing

Dominant in infants; the chest wall is compliant and the diaphragm does most of the work. This is why infants show abdominal rise with normal breathing.

Abnormal Breathing Patterns

4. Tachypnea

Respiratory rate above normal for age
Most common sign of respiratory distress in children
Causes: pneumonia, bronchiolitis, asthma, fever, metabolic acidosis, cardiac disease

5. Bradypnea

Respiratory rate below normal for age
Causes: CNS depression (opioids, head injury, seizures post-ictal), hypothermia, fatigue/impending respiratory failure

6. Apnea

Cessation of breathing >20 seconds (or shorter if associated with bradycardia/cyanosis)
Central apnea: no respiratory effort (CNS origin)
Obstructive apnea: effort present but airway blocked (e.g., adenotonsillar hypertrophy)
Mixed apnea: combination of both
BRUE (Brief Resolved Unexplained Event) — formerly ALTE, in infants <1 year

7. Cheyne-Stokes Breathing

Crescendo-decrescendo pattern with periods of apnea
Seen in: severe CNS dysfunction, heart failure, elevated intracranial pressure

8. Biot's (Ataxic) Breathing

Completely irregular rate and depth, with unpredictable apneic episodes
Indicates brainstem dysfunction (e.g., meningitis, herniation)
Ominous sign requiring immediate intervention

9. Kussmaul Breathing

Deep, rapid, labored breathing without distress
Seen in diabetic ketoacidosis (DKA) and severe metabolic acidosis
Represents respiratory compensation for metabolic acidosis

10. Gasping

Irregular, infrequent, weak agonal breaths
Sign of near-cardiorespiratory arrest — begin CPR immediately

Increased Work of Breathing — Clinical Signs

These signs indicate the child is recruiting extra effort to breathe:

Sign	Description
Nasal flaring	Widening of nostrils on inspiration; common in infants
Grunting	Expiratory sound from partial glottis closure to maintain PEEP; indicates severe distress
Subcostal retractions	Inward pulling below the rib cage
Intercostal retractions	Inward pulling between ribs
Suprasternal retractions	Inward pulling above the sternum; indicates upper airway obstruction
Supraclavicular retractions	Severe distress
Head bobbing	Sternocleidomastoid use in infants; ominous sign
Seesaw (paradoxical) breathing	Chest falls while abdomen rises on inspiration; indicates complete upper airway obstruction or fatigue
Tracheal tug	Downward tracheal movement during inspiration

Pediatric patient showing intercostal and subcostal retractions, suprasternal retractions, and open-mouth breathing — signs of increased work of breathing and respiratory distress

Noisy Breathing Patterns

Pattern	Phase	Anatomical Level	Common Causes
Stridor	Inspiratory (usually)	Larynx/subglottis	Croup, epiglottitis, foreign body, subglottic stenosis
Wheeze	Expiratory	Lower airways/bronchioles	Asthma, bronchiolitis
Stertor	Inspiratory	Nasopharynx/oropharynx	Adenotonsillar hypertrophy, choanal atresia
Grunting	Expiratory	Alveolar	Pneumonia, RDS, pulmonary edema

Neonatal-Specific Considerations

Condition	Breathing Pattern
Respiratory Distress Syndrome (RDS)	Tachypnea, grunting, subcostal/intercostal retractions, nasal flaring
Transient Tachypnea of the Newborn (TTN)	Tachypnea, resolves in 24–72 hours
Meconium Aspiration Syndrome	Irregular, labored breathing with hypoxia
Congenital diaphragmatic hernia	Respiratory distress from birth, scaphoid abdomen

Key Clinical Pearls

In infants, grunting is a critical sign — it means the child is trying to prevent alveolar collapse and signals serious illness.
Seesaw breathing in an infant is a sign of total upper airway obstruction or severe respiratory muscle fatigue.
A child who was tachypneic and now has bradypnea with altered consciousness is in impending respiratory failure — this is an emergency.
Always assess breathing in the context of color (cyanosis/pallor), mental status, and effort together.

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