Neonatology · NEET PG Preparation Paediatrics
A newborn infant delivered at 39 weeks of gestation develops marked respiratory distress, tachypnea, and cyanosis within a few hours of life. The mot…
Practice question from Neonatology (NEET PG Preparation Paediatrics), with the correct answer and a step-by-step solution.
easy · MCQ · Q-896437
A newborn infant delivered at 39 weeks of gestation develops marked respiratory distress, tachypnea, and cyanosis within a few hours of life. The mother had elective caesarean section without preceding labor. Chest radiograph demonstrates prominent perihilar streaking, fluid in the interlobar fissures, and mild hyperinflation. The symptoms completely resolve by 72 hours of life with supportive care. What is the diagnosis?
- A.Respiratory distress syndrome
- B.Transient tachypnea of the newbornCorrect answer
- C.Meconium aspiration syndrome
- D.Congenital diaphragmatic hernia
Solution
Transient tachypnea of the newborn (TTN) is caused by delayed clearance of fetal lung fluid. It typically occurs in term or late-preterm infants, especially those delivered by elective caesarean section without labor. Chest X-ray shows prominent perihilar streaking and fluid in fissures, and it is a benign, self-limiting condition resolving within 3 to 5 days.
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