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Information technology offers important new ways of using pictures for teaching in medicine. Methods for storing and delivering high quality images for computer-based learning systems are discussed.
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The medical journal literature is extensive and contains information that can help physicians care for patients. Minnesota physicians are able to tap into a variety of resources to help them locate relevant articles. Literature searches may be run by librarians in a local hospital library, a larger health sciences library, or via various professional associations. Physicians interested in conducting their own searches are able to use local systems or dial into national ones. Innovations in computers will allow easier and faster access to the medical literature in the future.
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OBJECTIVE: To compare the performance and cost of 11 online MEDLINE systems with MEDLINE at Elhill. DESIGN: Comparative study. SYSTEMS: Eleven online daytime systems commercially available in North America offering the MEDLINE database. MEASURES: Number of relevant citations, number of irrelevant citations, proportion of searches producing no relevant citations and cost per relevant citation were analyzed for each system. Relevance and cost for each system were compared with direct searching of MEDLINE through NLM for librarian and clinician search strategies for 18 clinical questions. The citations retrieved by both strategies were pooled and rated for relevance on a 7-point scale. RESULTS: Numbers of relevant and irrelevant citations and cost per relevant citation were higher for clinician searches than librarian searches, reflecting the higher total number of citations retrieved by the clinician approaches. A lower proportion of clinician searches produced no relevant citations than librarian searches. CONCLUSIONS: Eleven daytime MEDLINE systems performed similarly in terms of retrieval and cost within similar searching groups. Clinicians, however, tended to capture larger overall retrievals resulting in higher numbers of relevant and irrelevant citations than librarians.
This demonstration shows a multipurpose workstation used in a clinical teaching application which combines currently available software suitable for clinical diagnosis and teaching. The medical software includes QMR, Scientific American Medicine, the Slice of Life and generic video laserdisc authoring software developed at the University of Ottawa. The system allows a clinical instructor either in an individual or in a small group teaching setting on a ward or in a classroom, to access high quality differential diagnosis information via QMR, which is then supplemented by the text components of Scientific American Medicine on CD ROM, with video laserdisc of the appropriate anatomy, imagery and pathology provided by one of the various laserdiscs. The generic authoring software allows the instructor or students to construct subject related tutorial or testing modules either with or without video laserdisc support. The workstation uses DESQview as the multitasking environment to control the various resources. This program allows easy transfer from one application to another and allows for marking and pasting of text material into a study document. DESQview can also be used to script a specific learning sequence. The demonstration will show the interaction required to study a specific clinical problem and how this can be made into a meaningful multimedia experience with hardcopy for study purposes.
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BACKGROUND: The aims of this study were: to quantify the Spanish scientific production with international repercussion, to determine the degree of world diffusion and the participation of the different autonomic communities and the organisms implicated with reference to the area of sciences of alimentation and nutrition between 1987 to 1990. METHODS: Articles published during this period of time were selected by the Medline system, delimiting Spanish production. The articles selected were classified according to autonomic communities and institutions and in relation to the subsection of the area in question. The impact factor obtained from the Science Citation Index was used as an indicator of scientific diffusion. The autonomic communities of Catalonia and Madrid made up almost 50% of the scientific production between 1987 and 1989 with greater participation being observed from the other communities in 1990. The institutions of greatest scientific contribution were the medical and science schools. Thirty percent of the articles referred to experimental nutrition and toxicology of alimentation. CONCLUSIONS: a) Spanish participation in the diffusion of scientific studies on nutrition is similar to global participation in medical sciences, b) in 1990 an attenuation was detected in the differences existing in the degree of participation by the autonomic communities in the national scientific production; c) the schools of Medicine make up the institutions with greater relevance in scientific production while this activity is not reflected within the hospitals.
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