Rapid Review: Transient Tachypnea of the Newborn

Rapid review
Transient tachypnea of the newborn

Transient Tachypnea of the Newborn

  • Patient will be a child shortly after birth
  • Complaining of sudden onset of difficulty breathing
  • PE will show tachypnea, nasal flaring, retractions and hypoxia
  • CXR will show parenchymal infiltrates and fluid in the pulmonary fissures
  • Most commonly caused by residual pulmonary fluid
  • Treatment is supportive, self-resolving within 72 hours
  • Comments: Most common cause of neonatal respiratory distress

Sample question:

full-term male infant is delivered by cesarean section because of dystocia due to macrosomiaApgar scores are 8 and 10. An hour after delivery he begins to have tachypnea without hypoxemia. A chest radiograph shows diffuse parenchymal infiltrates and fluid in the pulmonary fissures. The symptoms resolve without treatment within 24 hours. What is the most likely diagnosis?


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