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| Electronic Health Record (EHR) |
EHR Technical OverviewThe model for the RPMS EHR is the Veterans Health Administration (VHA) electronic medical record, the Computerized Patient Record System (CPRS). CPRS has been successfully deployed across the VHA hospital network over the past several years.The EHR utilizes a technical infrastructure originally developed for the VHA that displays various clinical functions in a graphical user interface (GUI) format. A private corporation, Medsphere Systems Corporation, under contract to IHS, owns the framework technology for RPMS EHR, called VueCentric. VueCentric is not an end user application, but is a technical infrastructure that supports graphical presentation of data from applications in the M environment (MSM, DSM or Caché). Within the VueCentric GUI framework, clinical functions are visually and operationally integrated in a way that is accessible and intuitive to users comfortable with Windows® programs. All data generated in EHR is stored in the RPMS database. By using a component-based architecture, the EHR enables implementation of a variety of clinical functional components, including IHS-developed components, components adapted from VHA software, and, potentially, commercial products (COTS) that have been adapted to framework technology. Among the advantages of componentization is the ability to add or modify GUI components without reinstalling the entire application. In addition, the user interface is highly customizable, permitting each facility to offer a variety of tab and component arrangements that accommodate the different information and workflow needs of various users. Hardware and Network RequirementsA thorough review of the local technology environment will be required at any facility implementing the RPMS EHR. Facilities will need to evaluate hardware needs in or near exam rooms and provider offices to ensure that providers and other users of the EHR have access to the system at the point of service. Deploying the EHR will create additional demands on the RPMS server and network at each facility because of the new group of system users - providers and other clinical staff.Because the EHR is a client/server application, it does not require a separate server to run. The VueCentric framework resides on each client (user) computer, and all data resides on the RPMS server. A single object library folder is maintained on the RPMS server (or another central computer). Updates to the framework application or GUI components are deposited in this folder, which automatically updates the client computers each time the application is launched. I/T/U health care facilities vary greatly in size, services provided, and in a number of other factors. For this reason it is difficult to provide a single set of recommendations for hardware and network infrastructure that will fit all sites. The IHS Office of Information Technology in Albuquerque is available to provide consultation on questions regarding these requirements.
Software RequirementsIn order to successfully install RPMS EHR, a number of system requirements must be met. These include:
As noted, the complete EHR product is a compilation of multiple constituents. The user interacts with the VueCentric GUI presentation layer, which in turn is linked, using object-oriented programming, to RPMS and other applications. A number of Delphi and .NET objects have been created which bring the functionality of RPMS and VHA applications into the GUI environment. RPMS applications compatible with EHR include:
In addition to the above, other objects are being developed to add functionality to the EHR:
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