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Difficulty: HardTrauma and Burns

A 2828-year-old male is brought to the trauma bay after a high-speed motorcycle collision. Emergency medical services report a prolonged scene time. On arrival, the patient is unresponsive. There is active, pulsatile bleeding from a traumatic partial amputation of the left lower leg. He has severe maxillofacial smash injuries with pooling of blood and vomitus in the oropharynx. Breath sounds are absent on the right side, and the trachea is deviated to the left. His blood pressure is 70/4070/40 mm Hg, and his heart rate is 145145/min. Arrange the following initial management steps in the correct chronological sequence according to the current Advanced Trauma Life Support (ATLS) primary survey protocol.

  1. 1Application of a proximal tourniquet to the left lower extremity
  2. 2Endotracheal intubation with in-line cervical spine stabilization
  3. 3Needle decompression or tube thoracostomy of the right chest
  4. 4Initiation of massive transfusion protocol via large-bore intravenous access
  5. 5Calculation of the Glasgow Coma Scale score and pupillary examination

Answer

The correct sequence is: Control catastrophic hemorrhage (tourniquet), secure the airway (intubation), manage breathing (chest decompression), restore circulation (massive transfusion), and assess disability (Glasgow Coma Scale).
The correct chronological sequence aligns with the current ATLS primary survey algorithm: <C>ABCDE. Catastrophic external hemorrhage (pulsatile amputation) is managed first with a tourniquet. Next, Airway (maxillofacial trauma with gurgling) is secured via intubation with c-spine control. Breathing (tension pneumothorax) is then addressed via decompression. Circulation (hemorrhagic shock) is subsequently resuscitated with blood products. Finally, Disability (GCS) is assessed once physiological stability is maximized.

Step-by-Step Solution

1
Identify the most immediate threat to life: catastrophic external hemorrhage.
Applying a proximal tourniquet to the left lower extremity is prioritized.
The current edition of ATLS emphasizes the <C>ABCDE sequence, placing massive external bleeding (<C>) before airway management.
2
Assess and secure the airway.
Endotracheal intubation with cervical spine stabilization is performed.
Once catastrophic bleeding is halted, a definitive airway must be established due to the maxillofacial smash injury, pooled blood, and GCS < 8.
3
Assess breathing and treat tension pneumothorax.
Needle decompression or tube thoracostomy is performed on the right chest.
Absent breath sounds and tracheal deviation indicate a tension pneumothorax (Breathing component) that must be relieved to allow ventilation through the secured airway.
4
Address systemic circulation and hemorrhagic shock.
Massive transfusion protocol is initiated via large-bore IV access.
With the airway secured and chest decompressed, broader circulatory resuscitation (Circulation component) focuses on replacing lost intravascular volume.
5
Perform a baseline neurological evaluation.
Glasgow Coma Scale score and pupillary response are documented.
The Disability component is evaluated accurately only after reversing hypoxia and hypotension, as these metabolic derangements confound the neurological exam.

Key Concept

The modern ATLS primary survey follows the <C>ABCDE algorithm, prioritizing Catastrophic external hemorrhage over Airway, Breathing, Circulation, Disability, and Exposure.
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Topics

Trauma and Burns

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