Timothy Cook, MSc. presents MLHIM @ WSCHA 2010
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Timothy Cook, MSc. presents MLHIM @ WSCHA 2010

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MSc. Timothy Cook's presentation at the 1st Workshop on Scientific Computing Applications in Health - 2010. ...

MSc. Timothy Cook's presentation at the 1st Workshop on Scientific Computing Applications in Health - 2010.
See: http://www.mlhim.org http://gplus.to/MLHIM and http://gplus.to/MLHIMComm for more information about semantic interoperability in healthcare.

#mlhim #semantic_interoperability #health_informatics

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Timothy Cook, MSc. presents MLHIM @ WSCHA 2010 Presentation Transcript

  • 1. Healthcare Information Models & Applications Timothy W. Cook, MSc. Health Informatics Research & Consulting timothywayne.cook@gmail.comJune 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 2. Ralph Waldo Emerson I hate quotations. Tell me what you know.June 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 3. Keep everything as simple as possible; but no simpler!June 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 4. Holy Grail of Health CareThe Longitudinal, Patient Controlled, Future Proof Electronic Healthcare Applications 1st Workshop on Scientific Computing in Health Applications
  • 5. Φ = Golden RatioJune 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 6. Healthcare Information Systems
  • 7. Current Approach  Requirements gathering within a limited scope,  build data structures  and write the software.  For more than 45 years we have shown that in  healthcare this approach is flawed.June 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 8. Insanity: Doing the same thing over and over again, and expecting a different result.June 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 9. Multi-Level Modeling Components  Reference Model  Concept Constraint Definitions  Template Constraint Definitions  Relationship of openEHR & MLHIMJune 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 10. Words  Observation  Evaluation  Instruction  Action  EntryJune 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 11. Words are but symbols for the relations of things to one another and to us; nowhere do they touch upon absolute truth. --Friedrich NietzscheJune 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 12. Observation  10 entries on dictionary.com  All nouns – all very similar  (exception:Navigation)  One specific to medicineJune 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 13. Evaluation  2 entries at dictionary.com  Noun  One specific to medicineJune 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 14. Instruction  6 entries on dictionary.com  NounsJune 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 15. Action  19 Nouns  1 AdjectiveJune 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 16. Entry  13 NounsJune 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 17. Semantic Context  Having all of the information about a piece of  data; available everywhere.  Linking Concepts  Healthcare DATA: 101June 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 18. 101  Is it a component of BP measured in mmMg?  Is it body temperature in degrees Fahrenheit?  Is it body weight measured in kg or lbs.?  Is it  body length/height in cm?June 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 19. New Approach  Create a complete “information” model that  encapsulates that information with the data.  Forever in time and space.June 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 20. Experience without theory is blind, but theory without experience is mere intellectual play. --Immanuel KantJune 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 21. MLHIM Health Information Platform CCDs XPath Reference TCDs XQuery Model CDOM XMLJune 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 22. What is in the Reference Model? The electronic health record EHR for one person High-level organisation of the EHR FoldersCommon e.g. per episode, per clinical speciality Set of entries committed at one date/time Compositions e.g. progress note, report, letter, test result Clinical headings reflecting the workflow Sections and consultation/reasoning process Clinical “statements” about Observations, Entries Evaluations, and Instructions Compound entries Clusters e.g. blood pressure, full blood count Element entries Elements e.g. reason for encounter, body weight e.g. Coded terms from term sets, Data values measurements with units
  • 23. June 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 24. Package StructureJune 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 25. June 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 26. Security Features SeparationJune 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 27. Principles The components of the Reference Model are like LEGO  brick specifications Constraint Definitions = instructions/designs  constraining the use of LEGO pieces to create  meaningful structures   RM Instances Concept A Concept BJune 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 28. June 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 29. June 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 30. Ordered DATA_VALUE INTERVAL<T> (rm.support.assumed) (rm.data_types.basic) (rm.support.assumed)June 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 31. June 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 32. June 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 33. June 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 34. OSHIP Open Source  Health Information  PlatformJune 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 35. OSHIP ➔ A MLHIM implementation in Python ➔Provides a rapid application development environment for a variety of healthcare applicationsJune 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 36. OSHIP ➔Heavy re-use of existing open source components ➔The Zope Tool Kit (ZTK)June 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 37. OSHIP ➔ Choice of HTTP servers ➔Possible GUI interfaces ➔Choice of RDBMs and OODBMs ➔Internationalization/localization (i18n/l10n) ➔Fine-grained security framework ➔XML based configuration files ➔Designer friendly templating languageJune 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 38. OSHIP – Current Status ➔ Reference Model ➔Constraint Model ➔Proven Infrastructure ➔Complete DocumentationJune 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 39. Label on a 500 piece, jigsaw puzzle box  500­piece puzzle:  Some assembly  required.June 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 40. Why MLHIM? In order to fully embrace open source and open content ideals and processes.June 28,2010 1st Workshop on Scientific Computing in Health Applications
  • 41. Thank You! Timothy W. Cook, MSc. Health Informatics Research & Consulting timothywayne.cook@gmail.com http://www.linkedin.com/in/timothywaynecookJune 28,2010 1st Workshop on Scientific Computing in Health Applications