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PGE1 – duct-dependent — RACP Paediatrics MCQ

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EasyCardiologyPGE1 – duct-dependentRACP Paediatrics

A neonate presents on day 5 with cardiovascular collapse. Echo shows severely hypoplastic left heart with closing ductus. What is the single most important intervention?

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Correct answer: B — PGE1 infusion

In duct-dependent lesions, PGE1 infusion is the most critical intervention. It reopens the ductus arteriosus. Apnoea is a common side effect.

Reference: RCH Melbourne – 2023 – Cyanotic Newborn CPG