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Acute appendicitis — RCPSC EM MCQ

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ModerateGI/Abdominal emergenciesAcute appendicitisRCPSC EM

A 23-year-old has migrating periumbilical to right lower-quadrant pain, anorexia and fever. Pregnancy test is negative, WBC is 15, and ultrasound is nondiagnostic because the appendix is not visualised. What is the most appropriate investigation?

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Correct answer: D — CT abdomen and pelvis with contrast if clinical uncertainty persists

In adults with suspected appendicitis and nondiagnostic ultrasound, CT can clarify diagnosis and complications when uncertainty remains.

Reference: Canadian emergency surgery appendicitis practice