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Question

Difficulty: HardInitial Stabilization and Triage

A 58-year-old man is brought to the emergency department via ambulance after coughing up approximately 800 mL of bright red blood over the past two hours. The patient is visibly anxious, diaphoretic, and struggling to clear his airway of ongoing bleeding. His wife reports he had cavitary pulmonary tuberculosis 15 years ago but has been otherwise healthy. Vital signs show a temperature of 37.2°C (99.0°F), blood pressure of 102/64 mmHg, heart rate of 128/min, and respiratory rate of 28/min. Pulse oximetry is 84% on room air. Auscultation of the chest reveals coarse gurgling sounds and diminished air entry exclusively over the right middle and lower lung fields, while the left lung fields are clear. Which of the following is the most appropriate initial step in the stabilization of this patient?

  1. Endotracheal intubation and positioning the patient in the right lateral decubitus positionAnswer
  2. B
    Immediate computed tomography angiography of the chest
  3. C
    Urgent flexible bronchoscopy
  4. D
    Direct transfer to the interventional radiology suite for bronchial artery embolization
  5. E
    Administration of intravenous tranexamic acid and packed red blood cells

Answer

Endotracheal intubation and positioning the patient in the right lateral decubitus position
This patient is presenting with massive hemoptysis (typically defined as >600 mL in 24 hours, though any amount that threatens the airway is managed similarly). In massive hemoptysis, the most immediate threat to life is asphyxiation from blood filling the airways, rather than exsanguination. The primary stabilization step is securing the airway via endotracheal intubation, preferably with a large-bore tube to allow for subsequent bronchoscopy and suctioning. Additionally, placing the patient in the lateral decubitus position with the bleeding lung dependent uses gravity to prevent blood from spilling over the carina into the healthy, unaffected lung, thereby preserving gas exchange. In this scenario, the right-sided crackles and clear left lung indicate the right lung is the source, dictating a right lateral decubitus position.

Step-by-Step Solution

1
Identify the primary life-threatening pathology.
The patient is experiencing massive hemoptysis leading to airway compromise and severe hypoxia.
Recognizing that asphyxiation kills faster than exsanguination determines the management priority.
2
Determine the immediate stabilization priority.
Airway protection via endotracheal intubation must be initiated.
An unsecured airway rapidly filling with blood will lead to immediate respiratory arrest.
3
Apply physiological positioning principles.
Place the patient in the right lateral decubitus position.
Physical exam indicates the bleeding is from the right lung. Placing the bleeding lung down prevents gravitational flow of blood into the healthy left lung, protecting the remaining gas exchange capacity.

Key Concept

In massive hemoptysis, initial stabilization mandates securing the airway to prevent asphyxiation and positioning the patient with the bleeding lung dependent to protect the unaffected lung.
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Topics

Initial Stabilization and Triage

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