The nurse is caring for a client who had a chest tube inserted and attached to portable water seal drainage two days ago. There is no bubbling in the water seal chamber. What should the nurse assess initially?

1. A

   See if the suction is turned on

2. B

   Check the system for air leaks

3. C

   Observe the wound for excess drainage

4. D

   Auscultate the lungs

Appeared in: UPUMS Nsg.Officer-2024

Explanation

• The absence of bubbling in the water seal chamber after two days is an expected and positive sign, suggesting the air leak from the pleural space has sealed.
• This finding indicates that the lung has likely re-expanded, which is the therapeutic goal of chest tube placement for a pneumothorax.
• The nursing process prioritizes assessing the patient before the equipment, especially when an expected outcome is observed.
• Auscultating for bilateral breath sounds is the most direct and appropriate method to confirm lung re-expansion and assess the patient's respiratory status.

Why Other Options Were Wrong

• Option A: The suction control chamber is where bubbling occurs when suction is active. The water seal chamber's bubbling is related to air escaping the pleural space, not the suction setting.
• Option B: Continuous bubbling in the water seal chamber indicates an air leak. The absence of bubbling signifies that there is no air leak, making this assessment unnecessary as an initial step.
• Option C: Assessing the insertion site is a routine part of chest tube care but does not address the primary finding related to air evacuation and lung status.

Related Visual

Clinical Relevance

• Nursing practice connection: Use the key finding related to Assessment of chest tube drainage systems and signs of lung re-expansion to guide bedside assessment, documentation, and the next nursing action.
• A core nursing competency is to interpret findings from a chest drainage unit and correlate them with the patient's clinical status. Recognizing that no bubbling is a sign of recovery is crucial.
• The principle of 'assess the patient, not the machine' is paramount. Equipment findings should always be validated with a direct patient assessment.
• What if? If the patient had no bubbling in the water seal chamber but also had sudden dyspnea, tachycardia, and diminished breath sounds, the nurse's priority would shift. The initial assessment would be to check for an obstruction, such as a kink or clot in the tubing, as this could cause a tension pneumothorax.

How to Approach the Question

• First, identify the key information in the question: a chest tube is in place for two days, and there is no bubbling in the water seal chamber.
• Recall the function of the water seal chamber: it acts as a one-way valve, and bubbling indicates air is escaping from the pleural space.
• Analyze the clinical finding: The absence of bubbling after two days is generally a positive sign, suggesting the pneumothorax has resolved and the lung has re-expanded.
• Apply the nursing process principle: Always assess the patient first to confirm a clinical finding, especially an expected positive one.
• Evaluate the options based on this principle. Auscultating the lungs is the only option that directly assesses the patient's respiratory status to confirm lung re-expansion.
• Eliminate the other options as they relate to equipment troubleshooting for problems that are not indicated by the clinical sign (e.g., checking for an air leak when there is no bubbling).

Concept Tested & Keywords

• Concept Tested: Assessment of chest tube drainage systems and signs of lung re-expansion.
• Stem keywords: chest tube, water seal drainage, no bubbling, water seal chamber
• Lead-in keywords: assess initially
• Clinical cues: The finding is observed two days after insertion, which is a typical timeframe for a pneumothorax to resolve.

Question ID

QitEG0Frk239XgB3FzV2Qa

Copy ID

Reference Book

E6 Nursing Fundamentals Potter Perry 12e Part 5 p. 36-38