The following tubes and drains will be inserted during surgery after you are asleep. Breathing tube insertion: This procedure involves the placement of a tube in the patient's airway that is then connected to a breathing machine, which helps the patient breathe. Central venous access catheter placement: This procedure involves placement of a tube through a large vein that will allow for administration of fluids and/or medications. Chest tube placement: This procedure involves placement of a tube between the lung and the chest wall to drain air or fluid from the chest cavity. Arterial catheter placement: This procedure involves placement of a tube in an artery to measure blood pressure. Nasogastric or oral gastric tube placement: This procedure involves placement of a tube either through the nose or mouth into the stomach. Foley catheter: This procedure involves inserting a tube into your bladder to drain urine.