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Ruptured ectopic pregnancy — RCPSC EM MCQ

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HardOB/GYN emergenciesRuptured ectopic pregnancyRCPSC EM

CTAS 1. A 29-year-old has syncope, lower abdominal pain, and vaginal spotting. BP is 78/44, HR 138, β-hCG is positive, and bedside ultrasound shows free intraperitoneal fluid with no intrauterine pregnancy. She has shoulder-tip pain. What is the most likely diagnosis?

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Correct answer: BRuptured ectopic pregnancy

Shock with positive pregnancy test, no intrauterine pregnancy, and free fluid is ruptured ectopic pregnancy until proven otherwise.

Reference: Society of Obstetricians and Gynaecologists of Canada ectopic pregnancy guidance