NORCET 3 - 2022 (Shift-1)
Medical & Surgical Nursing
Medium
Which is a best intervention for a patient with tension Pneumothorax?
Appeared in: NORCET 3 - 2022 (Shift-1)
Explanation
- Tension pneumothorax is a life-threatening emergency requiring immediate decompression to release trapped air from the pleural space.
- The standard and most rapid intervention is needle thoracocentesis (needle decompression).
- The correct anatomical landmark for emergency needle decompression is the 2nd intercostal space (ICS) in the midclavicular line (MCL).
- While the option incorrectly states 'chest tube insertion' at this site for the initial step, it is the only option that identifies the correct anatomical location for immediate, life-saving decompression.
- Following needle decompression, a chest tube is inserted (usually at the 4th-5th ICS) for definitive management.
Why Other Options Were Wrong
- Option B: Inserting a needle in the 6th-7th intercostal space is too low and risks perforating the diaphragm and injuring abdominal organs like the liver or spleen.
- Option C: Inserting a needle in the 8th-9th intercostal space is extremely dangerous. It is well below the lung fields and has a very high probability of causing iatrogenic injury to the liver, spleen, or stomach.
- Option D: A tension pneumothorax is a rapidly fatal medical emergency. Failure to intervene will lead to cardiovascular collapse and death due to impaired venous return and severe hypoxemia.
Related Visual
- Visual 1: Anatomical Diagram - A diagram showing the chest wall with landmarks for the 2nd ICS, midclavicular line (for needle decompression) and the 4th-5th ICS, mid-axillary line (for chest tube insertion). This helps clarify the correct vs. incorrect locations.
- Visual 2: Chest X-ray - The provided image is an excellent example of a left-sided tension pneumothorax, clearly showing lung collapse and mediastinal shift to the right. It visually reinforces the severity of the condition.
Clinical Relevance
- Nursing practice connection: Use the key finding related to Management of Tension Pneumothorax to guide bedside assessment, documentation, and the next nursing action.
- Tension pneumothorax is a clinical diagnosis. In an unstable patient with classic signs (severe respiratory distress, hypotension, tachycardia, tracheal deviation, unilateral absent breath sounds), the nurse must anticipate and prepare for immediate needle decompression without waiting for a chest X-ray.
- The nurse's role includes calling for immediate medical assistance, preparing emergency equipment (large-bore needle, 14-16 gauge; chest tube tray), administering high-flow oxygen, and continuously monitoring vital signs.
- What if? If the patient were stable and the pneumothorax were small and not under tension, the intervention might be observation or insertion of a small-bore chest tube, but not at the emergency decompression site.
How to Approach the Question
- First, identify the critical term in the question: 'tension pneumothorax'. Recognize this as a life-threatening emergency.
- Second, recall the immediate, life-saving intervention for this condition, which is decompression of the pleural space.
- Third, recall the correct anatomical landmarks for this emergency procedure. The primary site is the 2nd intercostal space, midclavicular line.
- Fourth, evaluate the given options. Eliminate any options that suggest dangerous or incorrect anatomical sites.
- Finally, select the option that aligns best with the standard emergency protocol, even if the wording is slightly imprecise (e.g., confusing needle decompression with chest tube insertion at the correct emergency site).
Concept Tested & Keywords
- Concept Tested: Management of Tension Pneumothorax
- Stem keywords: tension Pneumothorax, best intervention
- Lead-in keywords: best
- Clinical cues: The provided image of a chest X-ray shows classic signs of tension pneumothorax, confirming the diagnosis and the need for emergency intervention.
Question ID
QBi0STUaSXd5TGoMf5E2C6
Practise the full NORCET 3 - 2022 (Shift-1)
Attempt every question from this paper in a timed mock, then review the full solution for each one.
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