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Ruptured ectopic pregnancy — RCPSC EM MCQ

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ModerateOB/GYN emergenciesRuptured ectopic pregnancyRCPSC EM

CTAS 1: A 31-year-old with 7 weeks of amenorrhoea has sudden pelvic pain and syncope. Vitals are BP 86/54, HR 128, RR 24, SpO2 98%. Urine pregnancy test is positive. FAST shows free fluid in the pelvis and Morrison pouch. What is the most likely diagnosis?

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

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Correct answer: A — Ruptured ectopic pregnancy

A positive pregnancy test with shock and intraperitoneal free fluid is ruptured ectopic pregnancy until proven otherwise. Resuscitation and immediate gynaecology/OR mobilisation are required.

Reference: SOGC early pregnancy and ectopic pregnancy principles; ATLS in pregnancy