This document provides an overview and introduction to a 15-week Certified Electronic Health Record Specialists course. The course consists of 10 weeks of reading materials, module lectures, discussions, assignments, and quizzes, as well as 4 weeks of EMR practicum. Health informatics deals with optimizing the use of health information using computer science and information technology. The document defines key terms related to electronic health records, including EHRs, EMRs, PHRs, HIEs, RHIOs, and the NHIN/NwHIN infrastructure. It distinguishes between EHRs, EMRs, and PHRs, and provides references for additional information.