Cross-Enterprise Document Sharing for Imaging (XDS-I) lays the basic framework for deploying medical images in the Electronic Health Record (EHR). During deployment efforts in many countries, a main challenge has arisen from the need to compare old images with current ones. Presently, most medical imaging applications are part of a broader system known as Picture Archiving and Communication System (PACS); they visualize and process images that they manage and archive; they need to import images for visualization which leads to a problem related to persistency management and information consistency. A solution consisting in avoiding image import is achievable with image streaming. In this paper we describe how XDS-I can be used in conjunction with Web Access to DICOM Persistent Objects (WADO) and DICOM transfer syntax for JPEG 2000 Interactive Protocol (JPIP) to enable streaming of medical images directly from EHR connected imaging sources to image processing workstations.
Abstract-With the deployment of regional and national Electronic Health Records, interoperability in healthcare has become especially crucial. Interoperability requires the use of standards such as the Health Level Seven (HL7), to enable the communication of electronic health information between heterogeneous systems. A framework for the implementation of standards, such the one provided by Integrating the Healthcare Enterprise (IHE), is also required to ensure semantic and functional interoperability. Various types of testing are also necessary: testing peers' ability to exchange data, to extract information from messages, and to react to the extracted information. In this paper, we propose a web infrastructure for interoperability testing of IHE profiles based on HL7 version three; we present the system architecture and describe how it can be extended to add new tests.
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