PPHN Diagnosis — RACP Paediatrics MCQ

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ModerateNeonatologyPPHN DiagnosisRACP Paediatrics

Term neonate: severe cyanosis unresponsive to O2. Echo: structurally normal heart with R-to-L shunting. Diagnosis?

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Correct answer: E — PPHN

PPHN: elevated PVR causing R-to-L shunting through PDA/PFO. Treat: O2, iNO, ECMO.

Reference: RCH Melbourne – 2024