skip to main content

Tension pneumothorax — RCPSC EM MCQ

Instant feedback + full explanation. One question, done properly.

EasyTraumaTension pneumothoraxRCPSC EM

A 27-year-old is stabbed in the chest and arrives in severe respiratory distress. BP is 78/46 mmHg, trachea is deviated away from the injury, breath sounds are absent on the left, and neck veins are distended. What is the most likely diagnosis?

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

Reveal the answer and explanation

Correct answer: D — Tension pneumothorax

Tension pneumothorax is correct: the clues indicate Tension pneumothorax and this option addresses the immediate ED priority. The distractors delay care, target a less likely problem, or are unsafe in this physiology.

Reference: ATLS principles; Canadian trauma practice