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Design of Health Technologies lecture 9

Learn about HL7, UMLS, SNOMED, CDISC, and MIB standards for medical data exchange and device communication. Understand the benefits and practical applications of these key technologies.

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Design of Health Technologies lecture 9

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  1. Design of Health Technologieslecture 9 John Canny10/5/05

  2. Glossary • HL7 = Health Level 7. Intended for all forms of medical data. Includes a RIM (Reference Information Model) and an XML schema. • UMLS = Unified Medical Language System. Metathesaurus and semantic network for medical concepts. • MML = Medical Markup Language. Similar to HL7 but not much support outside Japan (?).

  3. Glossary • SNOMED = Systematized NOmenclature of MEDicine. Another medical vocabulary. Especially important is SNOMED-CT (Clinical Terms) for exchanging clinical data which is part of UMLS. • CDISC = Clinical Data Interchange Standards Consortium. An XML standard designed for exchange of clinical trials data. Strong industry support for this.

  4. Glossary • MIB = Medical Information Bus (IEEE 1073). A set of OSI-level standards for medical device communication. Like a uPNP system for medical devices.

  5. Discussion Questions • The Berler et al. paper describes several architectures for shared data management – centralized, distributed and combined. Discuss the tradeoffs of these. • The HL7 RIM paper describes an implementation of HL7 for data export from a relational database. Given the description of HL7, what is a good data engine for querying HL7-type data? • What are the advantages of a device-level standard like MIB? Or – what practical differences are there between MIB and non-MIB medical sensors?

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