The course of Electronic Health Records and Health Data Exchange aims at presentating the role of information systems in health, with an emphasis on the representation and storage of medical data in the form of Electronic Health Record – EHR. The course will examine issues such as the representation and registration of patients and clinical data, including visits to outpatient clinics, the introduction of patients, the registration of results of examinations, diagnosis, etc. The course will also discuss representation models for medical data which allow the interoperability of health information systems and the exchange of medical data.