This document provides an overview of chest trauma. It begins with the anatomy of the thorax and then discusses various types of chest injuries including pneumothorax, hemothorax, flail chest, cardiac tamponade, and traumatic aortic rupture. For each type of injury, the document describes the mechanism of injury, signs and symptoms, and treatment approaches. It emphasizes the life-threatening nature of many chest injuries and stresses the importance of rapid diagnosis and management.