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EM SAQsPneumothorax

EM SAQs · Pneumothorax

Tension pneumothorax

An ACEM-style SAQ on the traumatic tension pneumothorax.

10 marks10 min1 min readVerification in progress

Target exams

ACEMFRCEMABEM
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Target exams

ACEMFRCEMABEM
Prompt
A 30-year-old man involved in a road traffic collision presents with severe respiratory distress. He has reduced breath sounds and hyper-resonance on the right, a respiratory rate of 32, an oxygen saturation of 88 per cent, and a blood pressure of 82/50 with distended neck veins. His trachea appears deviated to the left. Discuss your immediate management. (10 marks)

Model answer

Reveal model answerShowHide

Diagnosis: The traumatic tension pneumothorax — the severe respiratory distress, the hypoxia (the 88 per cent), the hypotension (the 82/50), the reduced breath sounds and the hyper-resonance on the right, the distended neck veins, and the tracheal deviation to the left (the opposite side). This is the clinical diagnosis.[3]

The immediate management — NO chest radiograph:

  1. The immediate needle decompression at the 5th intercostal space in the mid-axillary line (the anterior to the mid-axillary) on the right — the large-bore cannula, the rush of the air confirms the diagnosis. (The 2nd intercostal space in the mid-clavicular line is the alternative.)
  2. The definitive chest drain (the chest-tube thoracostomy) — the large-bore, the underwater seal, the chest radiograph after.
  3. The high-flow oxygen, the IV access, the resuscitation.

The rationale: The tension pneumothorax is the clinical diagnosis — the chest radiograph is NOT awaited (the delay is the fatal). The needle decompression relieves the tension, and the chest drain is the definitive.[3]

The disposition: The trauma team, the intensive care, the search for the other injuries (the ATLS primary survey).[3]

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References1ShowHide
  1. [3]Travis HJ, Andry GV, Rutner CC, et al. Prehospital needle decompression of suspected tension pneumothorax: outcomes and consequences. American Surgeon, 2024.PMID 38578102
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