This document discusses the ethical and legal issues surrounding health informatics. It begins by defining health informatics as using technology to analyze patient data from various sources like electronic health records. It then discusses advantages like reduced errors and costs as well as ethical considerations around patient privacy, information security, and preventing bias. Specific terminology is defined, like confidentiality and integrity of patient data. Principles of ethics in health informatics are outlined, focusing on privacy, transparency, accountability and security of patient information.