In the ATLS approach to tension pneumothorax, needle decompression is the immediate treatment. At which site should needle thoracocentesis be performed according to the updated 10th edition ATLS guidelines (2018)?
- A 2nd intercostal space at the mid-clavicular line exclusively
- B 4th or 5th intercostal space at the anterior or mid-axillary line, as an acceptable alternative to the 2nd ICS MCL ✓
- C 6th intercostal space at the posterior axillary line to avoid chest wall musculature
- D 1st intercostal space at the midclavicular line to maximise decompression
Explanation
Updated ATLS 10th edition (2018) guidelines now recognise both the traditional 2nd intercostal space mid-clavicular line AND the 4th/5th ICS anterior/mid-axillary line as acceptable sites for needle thoracostomy in tension pneumothorax. The rationale for updating includes evidence that chest wall thickness at the 2nd ICS MCL (particularly in obese or muscular patients) often prevents standard 14G needles from reaching the pleura, while the 4th/5th ICS AAL site offers greater access with less musculature and is the preferred site for finger thoracostomy. Definitive treatment remains tube thoracostomy.
Reference: Bailey & Love's Short Practice of Surgery, 27th ed.
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Written and medically reviewed by the StethoPrep medical team.