Which statement about when to obtain a chest radiograph after chest tube placement is correct?

• A. After 24 hours if symptoms arise.
• B. Only when removing the chest tube.
• C. Immediately after placement to confirm position and lung expansion; also when removing or if patient status changes.
• D. Only when there is a suspected pneumothorax.

Answer: (C)

The key idea is that imaging after chest tube placement is used to verify correct tube position and lung expansion right away, and to guide safety during removal or if the patient’s condition changes. An immediate chest radiograph confirms the tube’s tip is in the proper pleural space, checks for adequate lung re-expansion, and looks for any immediate complications like persistent pneumothorax or accumulating fluid. It’s also important to image again when removing the tube to ensure that a new pneumothorax hasn’t developed and that the lung remains stable, and anytime the patient’s clinical status changes (new shortness of breath, chest pain, hypoxia, or hemodynamic changes) so you can address problems promptly.

Waiting 24 hours only if symptoms arise could miss an early malposition or persistent pneumothorax. Imaging only when removing the tube would miss the initial verification and ongoing monitoring. Imaging only when a pneumothorax is suspected is too limited, since initial placement and routine checks aim to ensure proper position and lung status regardless of symptoms.