0506-01
The bubbling of water in the water seal chamber indicates air drainage from the client and usually is seen when intrathoracic pressure is higher than atmospheric pressure, and may occur during exhalation, coughing, or sneezing. Excessive bubbling in the water seal chamber may indicate an air leak, an unexpected finding. Fluctuation of water in the tube in the water seal chamber during inhalation and exhalation is expected. An absence of fluctuation may indicate that the chest tube is obstructed or that the lung has reexpanded and that no more air is leaking into the pleural space. Gentle (not vigorous) bubbling should be noted in the suction control chamber. A total of 50 mL of drainage is not excessive in a client returning to the nursing unit from the recovery room. Drainage that is more than 70 to 100 mL/hour is considered excessive and requires notification of the health care provider. The chest tube insertion site is covered with an occlusive (airtight) dressing to prevent air from entering the pleural space. Positioning the drainage system below the client’s chest allows gravity to drain the pleural space.
The nurse is assessing the functioning of a chest tube drainage system in a patient who has just returned from the recovery room following a thoracotomy with wedge resection. Which are the expected assessment findings? Select all that apply.
1. Excessive bubbling in the water seal chamber
2. Vigorous bubbling in the suction control chamber
3. Drainage system maintained below the patient's chest
4. 50 mL of drainage in the drainage collection chamber
5. Occlusive dressing in place over the chest tube insertion site
6. Fluctuation of water in the tube in the water seal chamber during inhalation and exhalation
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