What does the term "health informatics" primarily refer to?

The term "health informatics" primarily refers to the use of information technology in healthcare management. It encompasses a broad range of technologies, methodologies, and practices aimed at managing and analyzing health information to improve patient care, streamline processes, and enhance healthcare delivery systems.

Health informatics integrates concepts from healthcare, information science, and computer science to facilitate the effective organization and use of health data. This includes not only electronic health records but also data analytics, telemedicine, clinical decision support systems, and health information exchange, all of which contribute to better clinical outcomes and improved efficiency in healthcare settings.

The other options are narrow in focus and do not capture the full breadth of health informatics. While patient registration processes, financial aspects of health services, and electronic health records may be components of healthcare management, they are just parts of the overarching concept of health informatics. The field is much broader, addressing the integration and application of technology and data analysis in all aspects of healthcare.