A study of the component approach to clinical information systems. Students will learn about the evolution of Health Information Systems and the variety of systems offered by vendors at the present time. The importance of the Electronic Health Record (EHR) the Computerized Physician Order Entry (CPOE) and Clinical Decision Support will be stressed as they become the focal points in clinical information systems. The following components will be studied in detail: patient activity health record knowledge and security components. The role of imaging management and integration will also be reviewed.