Neonatal Nursing Certification Review: Part 2 Section 2 – Transient Tachypnea of the Newborn (TTN)

Описание: 🚨 MASTER the essentials of TTN, the most common cause of respiratory distress in late preterm and term infants. This quick, high-yield overview highlights pathophysiology, diagnosis, and management pearls that frequently appear on certification exams.

🎯 HIGH-YIELD EXAM CONTENT:
✅ Delayed fetal lung fluid clearance → pulmonary edema
✅ Typical onset: within 2 hours after birth
✅ Major risk factor: elective cesarean without labor
✅ Other risks: maternal diabetes, obesity, asthma, late preterm birth
✅ Clinical findings: tachypnea over 60/min, mild distress, clear breath sounds
✅ Imaging: hyperinflation, fluid in fissures, “sunburst” vascular pattern
✅ Ultrasound: coalescent B-lines, “double lung point”
✅ Differentials: RDS, pneumonia, CHD, PPHN
✅ Management: oxygen, CPAP if FiO₂ over 0.4, feeding support
✅ Prognosis: self-limited, resolves within 24–72 hours

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