The other essential elements of the healthcare IT infrastructure are the 1) personal health record (PHR), which is an individual’s self-maintained health record, An electronic application through which individuals can access, manage and share their health information, and that of others for whom they are authorized, in a private, secure, and confidential environment.
the PHR is a tool that can be helpful in maintaining health and wellness as well as a tool to help with illness that the term patient implies.
There are several possible approaches to creating a functional PHR, In the simplest approach, an individual may create his or her PHR using commercially available applications, ranging from stand-alone systems to Web-based applications. The patient can enter and access his or her health data through such systems. In its simplest form, the PHR is a stand-alone application that does not connect with any other system.
2) Regional Health Information Organization (RHIO) : which oversees communications among the other elements (EHR & PHR) and unifies them geographically. A RHIO is a type of health information exchange, which is a group of healthcare facilities that enter an interoperability pact and agree to share data between their various health IT systems.