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General Surgery · Trauma and burns: tension pneumothorax
Sample itemAfter a stab wound, a patient has severe dyspnoea, hypotension, distended neck veins, tracheal deviation and absent breath sounds on the right. What is the immediate action?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Needle decompression of the right chest then chest drain
Tension pneumothorax is a clinical diagnosis and needs immediate needle decompression (fifth intercostal space in the anterior axillary line, or second space midclavicular), followed by finger thoracostomy or chest drain. Waiting for imaging can be fatal.
Option by option
A. Wait for a chest radiograph
Delay for imaging risks arrest.
B. Needle decompression of the right chest then chest drain (correct)
Correct. Immediate decompression is lifesaving.
C. CT chest first
CT is unsafe in an unstable patient.
D. Intubation without decompression
Positive pressure ventilation worsens tension.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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