Examkin

Question

Difficulty: MediumInitial Stabilization and Triage

A 3434-year-old man arrives at the trauma bay via helicopter emergency medical services after a high-speed motorcycle collision. He is agitated, pale, and diaphoretic. Vital signs show a blood pressure of 74/4074/40 mm Hg, a heart rate of 145145/min, and a respiratory rate of 3636/min. His oxygen saturation is 86%86\% despite receiving high-flow oxygen via a nonrebreather mask. Clinical evaluation demonstrates rightward tracheal deviation and absent breath sounds over the left hemithorax, which is hyperresonant to percussion. An anteroposterior compression force on the iliac crests reveals marked pelvic instability. Peripheral intravenous access has just been established. Which of the following simultaneous interventions are the most appropriate immediate next steps in management? (Select all that apply)

  1. Perform a left-sided needle or finger thoracostomyAnswer
  2. Initiate transfusion of uncrossmatched type O bloodAnswer
  3. Apply a circumferential pelvic binderAnswer
  4. D
    Obtain an urgent computed tomography scan of the chest, abdomen, and pelvis
  5. E
    Start a continuous intravenous infusion of norepinephrine

Answer

The most appropriate immediate next steps are performing a left-sided thoracostomy, initiating an uncrossmatched blood transfusion, and applying a circumferential pelvic binder.
This patient presents with highly unstable polytrauma, exhibiting both obstructive shock from a left-sided tension pneumothorax and hypovolemic (hemorrhagic) shock likely driven by an unstable pelvic fracture. According to Advanced Trauma Life Support (ATLS) principles, the primary survey focuses on immediate resuscitation of the airway, breathing, and circulation (ABCs). The tension pneumothorax must be decompressed immediately with a needle or finger thoracostomy to resolve the obstructive physiology. Simultaneously, severe hemorrhagic shock requires aggressive volume resuscitation with uncrossmatched blood products (such as type O blood) and mechanical stabilization of the bleeding source, achieved here by applying a circumferential pelvic binder. These life-saving steps must occur in tandem during the initial minutes of resuscitation.

Step-by-Step Solution

1
Identify the immediately life-threatening conditions present in the primary survey.
The patient exhibits signs of a left-sided tension pneumothorax (tracheal deviation, absent breath sounds, hyperresonance) and severe hemorrhagic shock (hypotension, tachycardia, unstable pelvis).
Recognizing acute threats to life dictates the priority of trauma interventions.
2
Determine the appropriate interventions to stabilize the airway and breathing.
A left-sided needle or finger thoracostomy is required immediately.
Tension pneumothorax causes obstructive shock and hypoxia, which must be relieved to restore venous return and adequate oxygenation.
3
Determine the appropriate interventions to stabilize circulation.
Initiation of uncrossmatched blood transfusion and application of a pelvic binder are necessary.
Hemorrhagic shock from an unstable pelvic fracture requires immediate volume replacement and mechanical tamponade of bleeding.

Key Concept

In acute polytrauma, the primary survey focuses on identifying and simultaneously treating life-threatening conditions (ABCs) such as tension pneumothorax and hemorrhagic shock before proceeding to advanced diagnostic imaging.
Estimated Time:1m 30s
Rate this question

Topics

Initial Stabilization and Triage

More questions from this topic