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Postpartum pulmonary embolism evaluation — RCPSC EM MCQ

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HardRespiratory emergenciesPostpartum pulmonary embolism evaluationRCPSC EM

A 33-year-old woman with sudden dyspnoea and pleuritic pain is 10 days postpartum. HR is 118, SpO2 is 94%, chest X-ray is normal, and there is no leg swelling. She is breastfeeding. What is the most appropriate investigation?

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Correct answer: A — CT pulmonary angiography or V/Q imaging using local protocol

Postpartum state is a major PE risk factor. Definitive imaging is required, with modality chosen using local protocols, chest X-ray findings and patient-centred radiation discussion.

Reference: Choosing Wisely Canada Emergency Medicine recommendations