A PC-platform is presented using internet technology on Ethernet (local) or ISDN (external) for access to digital hospital infrastructures comprising electronic multimedia patient records integrating information systems of all clinical departments. In addition, a videoconferencing system is implemented for teleconsulting, and a document camera allows transmission of analogue data. In combination with the multimedia-PC. Ethernet as well as ISDN offer satisfying performance for transmission of medical data including images. In 20 cases, visualisation of the electronic patient record, an average CT with report and 58 GIFF Images', or transfer of an ACR-NEMA file from CT, took seconds (Ethernet) or up to 3.5 minutes (ISDN - 58 CT images and report).