title: Development and validation of XML-based calculations within order sets.
abstract: We have developed two XML Schemas to support the implementation of calculations within XML-based order sets. The models support the representation of variable-based algorithms and include data elements designed to support ancillary functions such as input range checking, rounding, and minimum/maximum value constraints. Two clinicians successfully authored 57 unique calculated orders derived from a set of 11 calculations using the models within our authoring environment. The resultant knowledge base content was subsequently tested and found to produce the desired results within the electronic physician order entry environment.
authors.affiliation: Department of Medical Informatics, University of Utah, Salt Lake City, UT, USA.
authors.forename: Nathan C
authors.initials: NC
authors.lastname: Hulse
authors.forename: Guilherme
authors.initials: G
authors.lastname: Del Fiol
authors.forename: Roberto A
authors.initials: RA
authors.lastname: Rocha
mesh_terms: D000465:Algorithms; D004360:Drug Therapy, Computer-Assisted; D064420:Drug-Related Side Effects and Adverse Reactions; D006801:Humans; D051188:Knowledge Bases; D050316:Medical Order Entry Systems; D008508:Medication Errors / Q000517:prevention & control; D008962:Models, Theoretical; D004364:Pharmaceutical Preparations / Q000008:administration & dosage*; D011381:Programming Languages; D012984:Software
chemical_list: D004364:Pharmaceutical Preparations