A 28-year-old motorcyclist arrives with multiple injuries. GCS is 10 (E3V3M4). BP 80/50 mmHg, HR 130 bpm, RR 30/min. Primary survey reveals absent breath sounds on the left, tracheal deviation to the right, and JVD. The intervention that should be performed IMMEDIATELY in this situation is:
- A Needle thoracocentesis in the 2nd intercostal space, midclavicular line on the left ✓
- B Chest X-ray to confirm diagnosis before intervention
- C Immediate intubation and mechanical ventilation
- D Pericardiocentesis for suspected cardiac tamponade
Explanation
The clinical triad of absent breath sounds, tracheal deviation away from the affected side, and JVD with hemodynamic instability represents tension pneumothorax — a life-threatening emergency requiring immediate decompression WITHOUT waiting for X-ray. ATLS protocol mandates immediate needle decompression (14G cannula, 2nd ICS, MCL) followed by chest drain insertion (5th ICS, anterior axillary line). Tracheal deviation away from the left with absent left breath sounds indicates left tension pneumothorax. Cardiac tamponade (Beck's triad: muffled heart sounds, JVD, hypotension) has equal bilateral breath sounds and tracheal midline position. Intubation should follow, not precede, decompression.
Reference: Bailey & Love's Short Practice of Surgery, 27th ed.
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Written and medically reviewed by the StethoPrep medical team.