JET post cardiac surgery — RACP Paediatrics MCQ

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HardCardiologyJET post cardiac surgeryRACP Paediatrics

Post AVSD repair: SVT at 200 bpm, unusual morphology, not responding to adenosine or cardioversion. Temperature 38.5°C. What is the diagnosis?

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Correct answer: C — Junctional ectopic tachycardia

JET is common after surgery near the conduction system. Resistant to adenosine and cardioversion. Management: cooling, amiodarone, reduce inotropes.

Reference: RCH Melbourne – 2023 – Post-Cardiac Surgery CPG