The chest tube has been used for about a week. Long use of chest tubes can increase the chance of infection. [5] X Research source The amount of fluid drained has decreased substantially, usually to less than 200 mL 24 hours. [6] X Trustworthy Source American Academy of Family Physicians Organization devoted to improving the health of patients, families, and communities Go to source Respiration has returned to normal. The patient is no longer short of breath, the breathing rate has returned to normal, and the chest rises symmetrically upon air intake. [7] X Research source X-rays (or other tests) show an absence of air or fluid in the pleural cavity. [8] X Trustworthy Source PubMed Central Journal archive from the U. S. National Institutes of Health Go to source

Warning: Use latex-free gloves if the patent is allergic to latex.

Warning: Do not puncture or cut the chest tube. The change in air pressure could cause the lungs to collapse. Warning: Make sure to hold the chest tube in place after the anchor suture has been cut, as there is nothing left holding the tube in place. Warning: If present, do not cut the purse-string suture. Some doctors prefer to include a purse-string suture when inserting the chest tube, for the purpose of closing the site once the tube has been removed.

Warning: Avoid contact with medical waste. Blood and other bodily fluids can transmit diseases.

Low blood oxygen saturation (measured using a pulse oximeter). Persistent bleeding. Chest discomfort. Shortness of breath. Signs of infection.