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Pulmonary embolism in pregnancy — RCPSC EM MCQ

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HardRespiratory emergenciesPulmonary embolism in pregnancyRCPSC EM

A 30-year-old at 24 weeks' gestation presents with pleuritic chest pain and dyspnoea. HR is 112/min, oxygen saturation is 94%, chest radiograph is normal, and compression ultrasound of both legs shows no DVT. Clinical suspicion for PE remains moderate. What is the most appropriate investigation?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: C — Proceed to definitive chest imaging with V/Q scan or CT pulmonary angiography based on local pathway

Proceed to definitive chest imaging with V/Q scan or CT pulmonary angiography based on local pathway is correct: the clues indicate Pulmonary embolism in pregnancy and this option addresses the immediate ED priority. The distractors delay care, target a less likely problem, or are unsafe in this physiology.

Reference: Canadian PE in pregnancy practice; obstetric medicine guidance