Newborn Distress Recognition Matrix: RDS vs TTN vs Meconium Aspiration vs Sepsis
Four conditions, one chief complaint: a newborn who can't breathe. The NCLEX will hand you a gestational age, a delivery history, and a cluster of signs — and expect you to match them to the right diagnosis instantly. Picking the wrong one means delaying surfactant, missing sepsis, or over-treating a self-resolving condition.
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Comparison
- Surfactant deficiency
- Prematurity < 37 wk
- maternal diabetes
- Retained lung fluid
- C-section without labor (no squeeze)
- Meconium aspirated into airways
- ★Post-term ≥ 42 wk
- stained fluid
- Infection (early < 72 hr / late)
- Maternal GBS+, ROM > 18 hr, fever
- Progressive tachypnea, nasal flaring
- Expiratory grunting, retractions
- Tachypnea > 60
- mild retractions
- Alert/active between episodes
- Severe tachypnea, barrel chest, gasping
- Coarse crackles
- ★Temp instability (hypo- OR fever)
- Lethargy, hypotonia, poor feeding, apnea
- ★Diffuse ground-glass
- air bronchograms
- Fluid in fissures
- hyperinflation, streaking
- Patchy infiltrates, hyperinflation, ± pneumothorax
- Blood culture
- CXR variable/normal early
- Surfactant via ETT + CPAP/ventilation
- Supportive O₂
- resolves 24–72 hr
- Suction if obstructed
- ventilation
- ★Blood culture FIRST, then IV antibiotics
- Exogenous surfactant
- Supplemental O₂ only
- time
- Ventilation
- possible surfactant
- Ampicillin + gentamicin
- Worsens without surfactant then resp failure
- Should improve — if not, reconsider dx
- Persistent pulmonary HTN
- pneumothorax
- Septic shock
- fatal if untreated
- Bronchopulmonary dysplasia
- air leak
- Benign, self-resolving
- PPHN
- air leak syndromes
- Meningitis
- death
RDS
- Surfactant deficiency
- Prematurity < 37 wk
- maternal diabetes
TTN
- Retained lung fluid
- C-section without labor (no squeeze)
RDS
- Progressive tachypnea, nasal flaring
- Expiratory grunting, retractions
TTN
- Tachypnea > 60
- mild retractions
- Alert/active between episodes
RDS
- ★Diffuse ground-glass
- air bronchograms
TTN
- Fluid in fissures
- hyperinflation, streaking
RDS
- Surfactant via ETT + CPAP/ventilation
TTN
- Supportive O₂
- resolves 24–72 hr
RDS
- Exogenous surfactant
TTN
- Supplemental O₂ only
- time
RDS
- Worsens without surfactant then resp failure
TTN
- Should improve — if not, reconsider dx
RDS
- Bronchopulmonary dysplasia
- air leak
TTN
- Benign, self-resolving
★ marks the fact that sets a column apart.
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Preterm + ground-glass = surfactant; C-section + self-resolving = TTN; post-term + meconium = MAS; temp instability + lethargy = sepsis.
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