What is the most likely mechanism of injury in this trauma case where a pedestrian was struck by a vehicle?

What is the most likely mechanism of injury in this trauma case where a pedestrian was struck by a vehicle?

• A. Fall from height
• B. Vehicle rollover
• C. Pedestrian struck by vehicle
• D. Motorcycle collision

Answer: (C)

In trauma, think about how the force interacts with the body. For a pedestrian struck by a vehicle, the dominant mechanism is blunt contact with the vehicle—the initial impact on the pedestrian—often followed by secondary impacts with the ground as they’re thrown. This scenario directly implies that the injury pattern will arise from being hit by a vehicle, rather than from a fall from height, a vehicle rollover, or a motorcycle collision. Expect injuries to the legs or pelvis from the first impact, with potential chest, head, or spinal injuries from secondary impacts, depending on speed and fall dynamics.

In trauma, think about how the force interacts with the body. For a pedestrian struck by a vehicle, the dominant mechanism is blunt contact with the vehicle—the initial impact on the pedestrian—often followed by secondary impacts with the ground as they’re thrown. This scenario directly implies that the injury pattern will arise from being hit by a vehicle, rather than from a fall from height, a vehicle rollover, or a motorcycle collision. Expect injuries to the legs or pelvis from the first impact, with potential chest, head, or spinal injuries from secondary impacts, depending on speed and fall dynamics.