This document provides an overview of thoracic trauma anatomy, physiology, and management. It describes the structures of the mediastinum and vasculature. Common thoracic injuries are classified and their pathophysiology, signs, and treatment are outlined. These include pneumothorax, hemothorax, flail chest, and cardiac tamponade. The primary and secondary surveys for evaluating thoracic trauma are reviewed, including inspection, palpation, percussion, and auscultation of the chest.