Florida State Paramedic Practice Exam

How is traumatic asphyxia typically caused?

1. Pneumothorax

2. Crush injury or forceful compression

3. Cardiac arrest

4. Airway obstruction

The correct answer is: Crush injury or forceful compression

Traumatic asphyxia is primarily caused by a crush injury or forceful compression of the chest or upper body. This type of asphyxia occurs when significant pressure is applied to the thorax, leading to a restriction of blood flow and a reduction of airflow into the lungs. The result is often a cyanotic appearance of the face, particularly around the eyes and mouth, as blood vessels burst due to the extreme pressure, causing a characteristic presentation. Understanding this mechanism is crucial for emergency responders, as it emphasizes the importance of recognizing the signs and symptoms associated with this condition, particularly in situations like structural collapses or vehicle accidents where crush injuries might occur. In such cases, immediate medical attention is required to relieve the compression and restore proper respiratory function. The other options represent different medical conditions and mechanisms that do not directly align with the mechanism of traumatic asphyxia. Pneumothorax relates to lung collapse, cardiac arrest involves cessation of the heart’s function, and airway obstruction pertains to blockage of the airway, none of which directly cause the specific condition of traumatic asphyxia as effectively as crushing forces do.