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Blunt abdominal trauma with seatbelt sign — RCPSC EM MCQ

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HardTraumaBlunt abdominal trauma with seatbelt signRCPSC EM

A restrained driver has a seatbelt sign, diffuse abdominal tenderness and transient hypotension after a collision. FAST is negative, lactate is 3.7 mmol/L, and he is now responding to blood products. What is the most appropriate investigation?

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

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Correct answer: E — CT abdomen and pelvis with IV contrast once sufficiently stabilised

FAST can miss hollow viscus and retroperitoneal injury; a stabilised high-risk blunt trauma patient with seatbelt sign and lactate elevation needs CT.

Reference: ATLS blunt abdominal trauma principles; Canadian trauma imaging practice