If the chest tube system becomes disconnected, what is the immediate best action?

• A. Leave the system disconnected and call later.
• B. Detach the patient from the system.
• C. Reconnect the tube to the drainage system and check connections.
• D. Reconnect the tube and ensure system integrity; notify clinician.

Answer: (D)

When a chest tube system becomes disconnected, the priority is to prevent air from entering the pleural space and to restore a continuous, closed drainage pathway. Reconnect the tube to the drainage system and verify that all connections are secure and the system remains closed, free of leaks, and positioned so drainage can flow properly. After securing the reconnection, inform the clinician that the system was disconnected and has been reattached so they can determine if further evaluation or replacement is needed. This approach immediately preserves lung mechanics, reduces the risk of a new pneumothorax, and keeps medical oversight in the loop. If reconnection isn’t possible right away, applying a sterile occlusive dressing taped on three sides to prevent air entry and notifying the clinician are appropriate interim steps.