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Question

Difficulty: HardTrauma and Burns

A 31-year-old man is brought to the trauma center by helicopter after falling approximately 10 meters (33 feet) from a construction scaffold. His airway was secured by paramedics at the scene with an endotracheal tube. Large-bore intravenous access is established, and a massive transfusion protocol is initiated. Current vital signs are temperature 35.6°C (96.1°F), blood pressure 72/40 mm Hg, and heart rate 148/min. Breath sounds are equal bilaterally. The patient does not open his eyes or move his extremities to painful stimuli. His right pupil is 7 mm and nonreactive to light, while his left pupil is 3 mm and reactive. The abdomen is visibly distended and tense. Bedside sonography for trauma demonstrates a large volume of anechoic fluid in the hepatorenal and perisplenic spaces. Which of the following is the most appropriate next step in the management of this patient?

  1. Immediate operative abdominal interventionAnswer
  2. B
    Noncontrast cranial imaging
  3. C
    Intravenous administration of mannitol
  4. D
    Diagnostic peritoneal lavage
  5. E
    Application of a pelvic binder

Answer

Immediate operative abdominal intervention
Immediate operative abdominal intervention is required to arrest life-threatening intra-abdominal hemorrhage. According to Advanced Trauma Life Support (ATLS) protocols, primary survey priorities dictate addressing Airway, Breathing, and Circulation (ABC) before Disability (neurologic injury). With the airway secured and breathing adequate, the immediate threat to life is exsanguination (Circulation). Although the patient has classic signs of severe traumatic brain injury and impending uncal herniation (unilateral fixed, dilated pupil), a patient in profound hemorrhagic shock cannot safely be transported to the imaging suite. Furthermore, adequate cerebral perfusion pressure relies on systemic mean arterial pressure, which cannot be restored without surgical hemostasis. The patient must be taken directly to the operating room for an exploratory laparotomy.

Step-by-Step Solution

1
Evaluate primary survey priorities (Airway and Breathing).
The airway is definitively secured with an endotracheal tube, and breath sounds are equal.
Airway and breathing are the first steps in the ATLS algorithm and are adequately addressed in this patient.
2
Assess Circulation and hemodynamic stability.
The patient is in Class IV hemorrhagic shock (BP 72/40 mm Hg, HR 148/min), and bedside sonography indicates significant intra-abdominal hemorrhage.
Identifying the source of shock determines the immediate life-saving intervention needed.
3
Assess Disability (neurologic status) in the context of other injuries.
The patient has a fixed, dilated pupil indicating probable uncal herniation from a traumatic brain injury.
Neurologic compromise is severe but secondary to the immediate threat of exsanguination.
4
Synthesize findings to determine the next step.
Surgical hemostasis takes precedence over neuroimaging or intracranial pressure management.
A patient cannot survive transportation to a scanner while actively exsanguinating, and cerebral perfusion pressure relies fundamentally on restoring systemic blood pressure.

Key Concept

ATLS prioritization of active intra-abdominal hemorrhage over concurrent severe traumatic brain injury in hemodynamically unstable patients.
Estimated Time:1m 30s
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Topics

Trauma and Burns

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