A patient presents with tension pneumothorax, showing tracheal deviation and absent breath sounds on the right side. What is the priority intervention?

1. A

   Provide high-flow oxygen via mask

2. B

   Immediate needle decompression

3. C

   Give bronchodilators nebulization

4. D

   Position the patient in prone position

Appeared in: NORCET 10 Mains

Explanation

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• Tension pneumothorax is a life-threatening condition where trapped air in the pleural space causes the lung to collapse and pushes the mediastinum (heart, trachea, great vessels) to the opposite side.
• This mediastinal shift, evidenced by tracheal deviation, obstructs venous return to the heart, leading to a rapid decrease in cardiac output and obstructive shock.
• Immediate needle decompression is the priority life-saving intervention because it instantly releases the trapped air, relieving the pressure on the heart and lungs.
• This procedure converts the tension pneumothorax to a simple pneumothorax, stabilizing the patient's hemodynamic status and allowing time for the definitive treatment of a chest tube insertion.

Why Other Options Were Wrong

• Option A: Providing high-flow oxygen treats the symptom of hypoxemia but does not resolve the root cause, which is the mechanical compression from trapped air. The patient will continue to deteriorate if the pressure is not relieved.
• Option C: Bronchodilators work by relaxing the smooth muscles of the airways to treat bronchospasm. They have no effect on a collapsed lung caused by air in the pleural space.
• Option D: Prone positioning can worsen respiratory distress in a patient with tension pneumothorax by increasing pressure on the chest and mediastinum.

Related Visual

• Visual 1: Diagram - Pathophysiology of tension pneumothorax, showing air trapping in the pleural space, complete collapse of the affected lung, and the characteristic shift of the trachea and heart to the contralateral side.
• Visual 2: Anatomical Illustration - Landmarks for emergency needle decompression, clearly marking the second intercostal space in the mid-clavicular line as the insertion site.

Clinical Relevance

• Nursing practice connection: Use the key finding related to Priority intervention for tension pneumothorax to guide bedside assessment, documentation, and the next nursing action.
• A nurse's ability to rapidly recognize the signs of tension pneumothorax (severe respiratory distress, tracheal deviation, absent breath sounds, hypotension) is critical for patient survival.
• The nurse's role includes immediately calling for help (e.g., rapid response team, physician) and preparing the necessary equipment for needle decompression and subsequent chest tube insertion.
• What if? If the patient had a simple pneumothorax without tracheal deviation and was hemodynamically stable, the priority would shift. Immediate needle decompression would not be indicated; instead, the focus would be on administering oxygen, placing the patient in a high-Fowler's position, and preparing for a chest tube insertion.

How to Approach the Question

• First, identify the question type as a clinical scenario requiring a priority intervention.
• Analyze the patient's signs and symptoms. 'Tension pneumothorax,' 'tracheal deviation,' and 'absent breath sounds' are critical clues pointing to a life-threatening emergency.
• Apply the ABC (Airway, Breathing, Circulation) framework. The patient's breathing is severely compromised by pressure, which in turn is causing circulatory collapse (obstructive shock). The priority action must resolve this underlying pressure.
• Evaluate each option based on its ability to address the immediate life threat. Oxygen is supportive but not corrective. Bronchodilators and prone positioning are irrelevant or harmful.
• Select the intervention that directly and immediately reverses the pathophysiology. Needle decompression is the only option that relieves the pressure, making it the highest priority.

Concept Tested & Keywords

• Concept Tested: Priority intervention for tension pneumothorax
• Stem keywords: tension pneumothorax, tracheal deviation, absent breath sounds, priority intervention
• Lead-in keywords: priority intervention
• Clinical cues: Tracheal deviation: Indicates a life-threatening mediastinal shift, compressing the heart and great vessels.
• Clinical cues: Absent breath sounds: Confirms lung collapse on the affected side.

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