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Question

Difficulty: HardInitial Stabilization and Triage

A 28-year-old woman is brought to the emergency department by emergency medical services after being rescued from a confined house fire. She sustained partial-thickness and full-thickness burns over her anterior torso, face, and bilateral upper extremities, estimated to cover 35% of her total body surface area. She is conscious, extremely anxious, and complains of severe pain and difficulty swallowing. Her voice is noticeably hoarse, and she is coughing up carbonaceous sputum. Audible inspiratory stridor is present.

Vital signs are:
Temperature: 37.0°C (98.6°F)
Blood pressure: 118/74 mmHg
Heart rate: 122/min
Respiratory rate: 26/min
Oxygen saturation: 97% on a 100% non-rebreather mask

Physical examination reveals singed nasal hairs, soot in the oropharynx, and significant facial edema.

Which of the following is the most urgent initial step in the management of this patient?

  1. Endotracheal intubationAnswer
  2. B
    Initiation of intravenous fluid resuscitation with lactated Ringer solution
  3. C
    Computed tomography scan of the neck and chest
  4. D
    Arterial blood gas analysis with co-oximetry
  5. E
    Immediate transfer to a specialized burn unit

Answer

Endotracheal intubation is the most urgent initial step to secure the airway before progressive thermal edema makes intubation impossible.
This patient presents with classic signs of severe inhalation injury and impending airway loss, including facial burns, singed nasal hairs, carbonaceous sputum, hoarseness, and inspiratory stridor. In standard resuscitation algorithms, securing the airway is the absolute highest priority. The presence of stridor indicates that significant upper airway edema is already present. Because airway swelling in burn patients can progress rapidly and unpredictably, making later attempts at intubation extremely difficult or impossible, early prophylactic endotracheal intubation is the most urgent initial step before any other diagnostic or therapeutic interventions are considered.

Step-by-Step Solution

1
Assess the primary survey (Airway, Breathing, Circulation) priorities based on the clinical presentation.
The patient demonstrates stable hemodynamics, but exhibits clear clinical signs of severe thermal inhalation injury and impending airway obstruction (inspiratory stridor, hoarseness, soot, and facial burns).
The Advanced Trauma Life Support (ATLS) protocol mandates that assessing and securing airway patency is the absolute highest priority.
2
Determine the necessary intervention for the identified primary threat.
Prophylactic endotracheal intubation is required immediately.
Thermal injury to the upper respiratory tract causes progressive edema that can rapidly occlude the airway, making subsequent intubation attempts exceedingly difficult or fatal.
3
Evaluate other potential management steps to ensure they do not inappropriately delay airway stabilization.
Fluid resuscitation, diagnostic imaging, and facility transfer are appropriately recognized as secondary interventions.
While essential for definitive care, these steps must strictly follow the securement of a definitive airway to prevent a catastrophic loss of the airway during transport or testing.

Key Concept

Prioritizing airway management in patients with acute thermal inhalation injury.
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Topics

Initial Stabilization and Triage

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