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Difficulty: Very hardTrauma and Burns

A 38-year-old forestry worker is brought to the trauma center after a severe chainsaw accident followed by a fall down a steep ravine. On arrival, he is unresponsive with a Glasgow Coma Scale score of 5. He has a massive, spurting arterial laceration to his right thigh. He exhibits sonorous, gurgling respirations. Auscultation reveals absent breath sounds on the left hemithorax with jugular venous distention. His heart rate is 142/min and blood pressure is 65/30 mm Hg. Arrange the following critical interventions in the most appropriate sequential order based on current Advanced Trauma Life Support (ATLS) priorities.

  1. 1Apply a commercial tourniquet to the right lower extremity
  2. 2Perform endotracheal intubation with in-line cervical spine stabilization
  3. 3Perform a left-sided needle or finger thoracostomy
  4. 4Initiate massive transfusion protocol with balanced uncrossmatched blood products
  5. 5Perform a Focused Assessment with Sonography for Trauma (FAST) examination

Answer

The correct sequence based on modern ATLS <C>ABCDE protocols is: 1) Apply a commercial tourniquet, 2) Perform endotracheal intubation, 3) Perform a left-sided thoracostomy, 4) Initiate massive transfusion, and 5) Perform a FAST exam.
Modern Advanced Trauma Life Support (ATLS) 10th Edition guidelines emphasize the <C>ABCDE paradigm for the primary survey. The absolute first step is the control of Catastrophic external hemorrhage (<C>) using a tourniquet or direct pressure, as exsanguination is the most rapid cause of preventable trauma death. Once halted, the classic sequence resumes: Airway (A) management via definitive intubation for a GCS < 8; Breathing (B) management via decompression of tension pneumothorax; Circulation (C) resuscitation with uncrossmatched blood products; and finally diagnostic adjuncts like FAST to guide subsequent operative interventions. Any deviation from this sequence risks rapid patient demise.

Step-by-Step Solution

1
Identify and control the most immediate threat to life (exsanguinating external hemorrhage).
Prioritize tourniquet application (<C> in <C>ABCDE).
An airway is futile if the patient loses their entire circulating blood volume during the intubation attempt.
2
Assess and manage the airway.
Prioritize endotracheal intubation (A).
A Glasgow Coma Scale score of 5 and sonorous respirations indicate a complete inability to maintain or protect the airway.
3
Assess and manage breathing and ventilation.
Prioritize needle or finger thoracostomy (B).
Absent breath sounds, jugular venous distention, and severe shock indicate a tension pneumothorax, which must be decompressed to allow effective ventilation and venous return.
4
Support circulation through definitive resuscitation.
Prioritize massive transfusion protocol (C).
The patient is in Class IV hemorrhagic shock; volume replacement with blood products follows mechanical bleeding control and chest decompression.
5
Complete primary survey adjuncts.
Prioritize the FAST exam.
Used to identify non-compressible torso hemorrhage, performed only once immediate life-saving interventions are underway.

Key Concept

The modern ATLS Primary Survey strictly follows the <C>ABCDE sequence, placing Catastrophic hemorrhage control before Airway management.
Estimated Time:2m 0s
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Topics

Trauma and Burns

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