Delayed-onset tension hemothorax following blunt trauma and the rupture of a previously undiagnosed aberrant right subclavian artery

A 21-year-old male motorcyclist was admitted to the emergency department following blunt trauma to the thorax after being hit by an automobile. A clinical examination evidenced a deformed left forearm but no hemodynamic or respiratory impairments. The patient had a score of 10 out of 15 on the Glasgow coma scale