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The separation of reviewing knowledge from medical knowledge
1Department of Medical Informatics, Faculty of Medicine and Health Sciences, Erasmus University, Rotterdam, The Netherlands.
Methods of Information in Medicine
|March 1, 1995
Summary
Computer-based patient record systems require integrated medical and reviewing knowledge. Different systems represent this knowledge uniquely, highlighting the need to capture physician reasoning for effective record review.
Area of Science:
- Medical Informatics
- Clinical Decision Support Systems
- Health Information Management
Background:
- Reviewing systems depend on computer-based patient records (CBPRs) for data.
- Modeling both medical and reviewing knowledge is crucial for system development.
- Existing systems may represent knowledge differently, impacting data integration.
Purpose of the Study:
- To simulate the input of identical medical knowledge into four distinct systems: CARE, Arden syntax, Essential-attending, and HyperCritic.
- To analyze the representation of medical knowledge within the syntax and symbols of these systems.
- To evaluate how different systems handle the vocabulary derived from CBPRs.
Main Methods:
- Simulation of knowledge entry across four specified systems.
- Comparative analysis of knowledge representation syntax and semantics.
- Evaluation of system adaptability to CBPR vocabulary.
Main Results:
- Significant variations were observed in how the four systems represent the same medical knowledge.
- Each system offers distinct approaches to managing the vocabulary present in CBPRs.
- The study identified challenges in knowledge representation across different medical informatics platforms.
Conclusions:
- Developers must consider system-specific knowledge representation when utilizing CBPRs for review.
- The use of CBPRs for review necessitates capturing physician reasoning, not just actions.
- Future systems should aim for more standardized or adaptable knowledge representation frameworks.