This document discusses trauma, the trauma care system, and the paramedic's role. It defines trauma as physical injury caused by external forces. It presents trauma as a disease that can be prevented using a public health model of surveillance, risk analysis, intervention, implementation and evaluation. It describes the trauma center designation levels from I to IV and notes the integration of EMS, hospitals, and immediate surgery reduces costs and mortality. The paramedic's role includes using trauma triage criteria to transport to the nearest appropriate facility in the "Golden Period," preventing injuries, collecting data, and participating in quality improvement.