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Difficulty: MediumTrauma and Burns

A 35-year-old man is brought to the emergency department after being rescued from a closed-space house fire. He is coughing up carbonaceous sputum and has a hoarse voice. He has sustained deep partial-thickness and full-thickness burns covering his entire anterior trunk and bilateral upper extremities. According to standard trauma and burn management principles, arrange the following clinical interventions in the most appropriate chronological sequence.

  1. 1Perform rapid sequence endotracheal intubation for definitive airway protection.
  2. 2Establish peripheral large-bore intravenous access, ideally through unburned skin.
  3. 3Determine the total body surface area (TBSA) burned using the rule of nines.
  4. 4Initiate targeted crystalloid fluid resuscitation using a standardized burn formula.
  5. 5Insert a urinary catheter to monitor hourly urine output.

Answer

The correct sequence is: Endotracheal intubation, establishment of intravenous access, calculation of TBSA, initiation of formula-based fluid resuscitation, and placement of a urinary catheter.
The management of major burns follows a strict protocol based on Advanced Trauma Life Support (ATLS) principles. This patient presents with classic signs of inhalational injury (closed-space fire, hoarseness, carbonaceous sputum), making prophylactic endotracheal intubation the absolute first priority to prevent catastrophic airway loss from impending edema. Once the airway is secured, circulation is addressed by establishing large-bore intravenous access. With access secured, the physician conducts a secondary survey to estimate the total body surface area (TBSA) burned, typically using the rule of nines. This calculation is essential to determine the required 24-hour fluid volume using a standard burn formula (e.g., Parkland formula). Once the initial fluid rate is established and initiated, a urinary catheter is placed. Hourly urine output is the most accurate non-invasive marker of adequate end-organ perfusion and allows clinicians to titrate the fluid rate up or down throughout the resuscitation period.

Step-by-Step Solution

1
Secure the airway.
Perform rapid sequence endotracheal intubation.
Signs of inhalational injury (carbonaceous sputum, hoarseness) mandate immediate intubation before progressive airway edema makes it impossible.
2
Obtain vascular access.
Establish large-bore intravenous access.
Intravenous access is necessary to begin circulatory support, following the standard 'Airway before Circulation' trauma priority.
3
Assess the extent of injury.
Determine the total body surface area (TBSA) burned.
An accurate TBSA calculation (using the rule of nines) is required to determine the required fluid volume for resuscitation.
4
Start fluid resuscitation.
Initiate targeted crystalloid fluid resuscitation.
Using a standardized formula (like the Parkland formula), lactated Ringer solution is administered to prevent hypovolemic burn shock.
5
Monitor end-organ perfusion.
Insert a urinary catheter to monitor hourly urine output.
Hourly urine output is the gold standard for titrating the ongoing fluid resuscitation rate.

Key Concept

The acute management of severe burns prioritizes securing the airway in suspected inhalational injury, followed by establishing IV access, calculating the affected Total Body Surface Area (TBSA), calculating fluid requirements (Parkland formula), and monitoring resuscitation efficacy via urine output.
Estimated Time:1m 30s
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Topics

Trauma and Burns

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