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Related Experiment Videos

Development and validation of XML-based calculations within order sets.

Nathan C Hulse1, Guilherme Del Fiol, Roberto A Rocha

  • 1Department of Medical Informatics, University of Utah, Salt Lake City, UT, USA.

AMIA ... Annual Symposium Proceedings. AMIA Symposium
|June 17, 2006
PubMed
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We created XML Schemas for calculations in electronic order sets, enabling variable algorithms and data validation. Clinicians successfully used these models to author and test 57 calculated orders in an electronic physician order entry system.

Area of Science:

  • Computer Science
  • Medical Informatics
  • Health IT

Background:

  • Electronic order sets are crucial for clinical decision support.
  • Implementing complex calculations within order sets presents technical challenges.
  • Standardized data models are needed for interoperability and accurate order processing.

Purpose of the Study:

  • To develop and validate XML Schemas for representing calculations in electronic order sets.
  • To support variable-based algorithms and ancillary functions like input validation.
  • To assess the usability and effectiveness of the developed models in a clinical authoring environment.

Main Methods:

  • Development of two XML Schemas tailored for computational logic in order sets.
  • Inclusion of data elements for range checking, rounding, and value constraints.

Related Experiment Videos

  • Authoring of 57 unique calculated orders by two clinicians using 11 distinct calculations.

    • Main Results:

    • Successful authoring of 57 unique calculated orders by clinicians.
    • Demonstration of the models' capability to represent variable-based algorithms.
    • Validation of the generated knowledge base content in an electronic physician order entry system.

    Conclusions:

    • The developed XML Schemas effectively support the implementation of calculations within electronic order sets.
    • The models facilitate the creation of complex, validated clinical orders.
    • This approach enhances the functionality and reliability of electronic order entry systems.