Examkin

Question

Difficulty: EasySurgical and Procedural Interventions

A 22-year-old man is brought to the emergency department after a high-speed motor vehicle collision. He is in severe respiratory distress. Vital signs show a blood pressure of 82/50 mm Hg, heart rate of 138/min, and respiratory rate of 34/min. Oxygen saturation is 84% on a nonrebreather mask. Physical examination reveals distended neck veins, absent breath sounds over the right hemithorax, and deviation of the trachea to the left side. Which of the following procedural interventions are indicated in the initial emergency management of this patient? (Select all that apply)

  1. Needle thoracostomy of the right chestAnswer
  2. Insertion of a right-sided thoracostomy tubeAnswer
  3. C
    Endotracheal intubation with positive pressure ventilation
  4. D
    Portable anteroposterior chest radiography
  5. E
    Computed tomography angiography of the chest

Answer

The indicated procedural interventions are needle thoracostomy of the right chest and insertion of a right-sided thoracostomy tube.
The patient's presentation of blunt trauma, respiratory distress, hypotension, contralateral tracheal deviation, absent unilateral breath sounds, and jugular venous distention is the classic clinical picture of a tension pneumothorax. This represents a critical emergency causing obstructive shock. Management must be initiated immediately based on clinical findings alone. The standard procedural sequence involves immediate needle thoracostomy (decompression) to rapidly relieve intrathoracic pressure and restore venous return, followed promptly by the insertion of a thoracostomy tube (chest tube) for definitive, continuous pleural drainage and lung re-expansion.

Step-by-Step Solution

1
Identify the life-threatening clinical syndrome based on the physical examination and vital signs.
The combination of hypotension, hypoxia, absent breath sounds on the right, distended neck veins, and contralateral tracheal deviation indicates a right-sided tension pneumothorax.
Trauma can cause a one-way valve effect in the lung pleura, trapping air and increasing intrathoracic pressure, which impairs venous return and causes obstructive shock.
2
Determine the most appropriate immediate procedural intervention.
Immediate pleural decompression via needle thoracostomy is required.
This procedure rapidly vents the trapped air, converting the tension pneumothorax into a simple pneumothorax and restoring cardiac output.
3
Identify the necessary follow-up definitive procedural management.
Placement of a thoracostomy tube (chest tube) on the affected side.
Needle decompression is a temporary measure; a chest tube provides continuous drainage of air and blood, allowing the lung to remain expanded.

Key Concept

Tension pneumothorax is a clinical diagnosis in an unstable trauma patient that requires immediate needle decompression followed by tube thoracostomy, without waiting for diagnostic imaging.
Rate this question

Topics

Surgical and Procedural Interventions

More questions from this topic