This subject builds on your previous data, information and knowledge studies. It is a detailed study of the development, implementation and maintenance of health care systems. The subject includes an exploration of systems theory as it applies to health information systems. It considers the life cycle of a health information system, including strategic and tactical information planning and project management and explores the impact on the organisation of each phase of the life cycle. It explores both technical (infrastructure, hardware and software, standards and codes) and people issues (education and skill development, changes to roles) which need to be resolved in the process of implementing a successful health information system. The subject also explores the role and impact of the informatics professional and the informatics/IT department within the health organisation.