Rapid Review: Transient Tachypnea of the Newborn
Transient Tachypnea of the Newborn
- Patient will be a child shortly after birth
- 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:
A full-term male infant is delivered by cesarean section because of dystocia due to macrosomia. Apgar 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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