skip to main content

Transient Tachypnoea of the Newborn — RACP Paediatrics MCQ

Instant feedback + full explanation. One question, done properly.

EasyNeonatologyTransient Tachypnoea of the NewbornRACP Paediatrics

A neonate born at 35 weeks develops tachypnoea within 2 hours of birth. CXR shows fluid in the horizontal fissure and hyperinflation. SpO2 is 95% on room air. Symptoms are improving. What is the most likely diagnosis?

Educational content. Not a substitute for clinical judgement or local policy.

Reveal the answer and explanation

Correct answer: D — Transient tachypnoea of the newborn

TTN: retained fetal lung fluid, common after elective caesarean section or late preterm birth. CXR shows fluid in fissures and hyperinflation. Self-resolving within 24-72 hours. Supportive care only.

Reference: RCH Melbourne – 2024 – Clinical Practice Guidelines: Transient Tachypnoea of the Newborn