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Perforated viscus — MCCQE Part 1 MCQ

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ModerateAbdominal PainPerforated viscusMCCQE Part 1

A 57-year-old man has sudden severe generalized abdominal pain. He is rigid with rebound tenderness; upright chest radiograph shows free air under the diaphragm. Which of the following is the most appropriate next step?

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Correct answer: CBegin resuscitation and broad-spectrum IV antibiotics, and obtain urgent surgical source control

Peritonitis plus pneumoperitoneum indicates perforated viscus requiring resuscitation, antibiotics and urgent surgery. Antacids or elective endoscopy are inappropriate once perforation is evident. Laxatives could worsen contamination and delay definitive care.

Reference: https://emergencycarebc.ca/clinical_resource/clinical-summary/acute-abdominal-pain/; https://www.cags-accg.ca/wp-content/uploads/2020/11/Acute-Care-Surgery-Guidelines.pdf