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Question

Difficulty: MediumInitial Stabilization and Triage

A 32-year-old man is evaluated by the rapid response team in the hospital due to sudden-onset severe dyspnea and lightheadedness. He was admitted two days ago for severe right-sided necrotizing pneumonia. On evaluation, he is diaphoretic, agitated, and gasping for air. His blood pressure is 74/42 mm Hg, heart rate is 142/min, and respiratory rate is 36/min. Pulse oximetry shows an oxygen saturation of 82% while receiving 15 L/min of oxygen via a non-rebreather mask. Physical examination reveals markedly distended jugular veins and completely absent breath sounds over the entire right hemithorax. Palpation of the anterior neck demonstrates that the trachea is deviated to the left. Which of the following is the most appropriate immediate next step in the management of this patient?

  1. A
    Administer a rapid intravenous bolus of normal saline
  2. B
    Obtain a stat portable chest radiograph
  3. Perform needle or tube thoracostomyAnswer
  4. D
    Perform rapid sequence endotracheal intubation
  5. E
    Request an emergent cardiothoracic surgery consultation

Answer

Perform needle or tube thoracostomy
The patient's clinical presentation (hypotension, tachycardia, absent breath sounds, jugular venous distention, and tracheal deviation) represents the classic triad of a tension pneumothorax, leading to obstructive shock. In a tension pneumothorax, air enters the pleural space but cannot escape, leading to progressively increasing intrathoracic pressure. This pressure collapses the ipsilateral lung, shifts the mediastinum, and severely compresses the superior and inferior vena cava, drastically reducing venous return and cardiac output. Tension pneumothorax is a clinical diagnosis. The most critical step in management is immediate pleural decompression with a needle thoracostomy or direct tube thoracostomy. This must be performed emergently based on clinical findings alone, without waiting for radiographic confirmation.

Step-by-Step Solution

1
Identify the clinical syndrome from the vital signs and physical examination.
The patient exhibits severe hypotension, tachycardia, hypoxia, absent right-sided breath sounds, jugular venous distention, and tracheal deviation.
These are the classic signs of obstructive shock caused by a tension pneumothorax, likely secondary to a ruptured pneumatocele from his necrotizing pneumonia.
2
Determine the priority of intervention.
Immediate pleural decompression is strictly required.
Tension pneumothorax is a clinical diagnosis that rapidly leads to fatal cardiovascular collapse; it must be treated immediately upon recognition, before any diagnostic imaging or specialist consultation.
3
Select the correct emergency procedure.
Needle or direct tube thoracostomy is the correct intervention.
This procedure allows trapped air to escape, relieving the massive intrathoracic pressure, which in turn restores venous return to the heart and recovers cardiac output.

Key Concept

Tension pneumothorax is a life-threatening emergency presenting with obstructive shock that requires immediate clinical diagnosis and rapid decompression (needle or tube thoracostomy) prior to any diagnostic imaging.
Estimated Time:1m 0s
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Topics

Initial Stabilization and Triage

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