Indications for chest tube insertion in trauma include:

• A. For stable patients with no distress.
• B. Suspected pneumothorax or hemothorax with respiratory distress or hemodynamic instability; confirm with imaging if possible.
• C. Only after CT confirmation.
• D. For suspected pleural effusion only.

Answer: (B)

The key idea is that a chest tube is used to treat injuries in the chest when there is air or blood in the pleural space causing breathing trouble or poor blood flow. In trauma, you place a chest tube for a suspected pneumothorax or hemothorax when the patient has respiratory distress or hemodynamic instability. If the patient is unstable, you don’t wait for a CT scan—you proceed with decompression and drainage, then confirm with imaging if it won’t delay care. CT confirmation isn’t required before placing the tube. Pleural effusion alone isn’t the primary acute indication for chest tube, and stable patients without distress don’t typically need one.