This document discusses the medical-legal and ethical aspects of out-of-hospital care that paramedics must consider. It covers legal duties and responsibilities, the legal system, laws affecting EMS, and legal accountability. Paramedics must understand legal issues, make medical decisions within their scope of practice, and document care thoroughly to avoid liability. Ethical responsibilities include responding promptly to patients, maintaining skills, and respecting other professionals. The legal duties of paramedics are based on accepted standards to provide an appropriate level of care.