BMI 211 01.26.10

BMI 211 01.26.10 - Effective Design in Clinical Informatics...

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Unformatted text preview: Effective Design in Clinical Informatics BMI 211/CS 271 Amar Das Assistant Professor Medicine (Biomedical Informatics) Mid-quarter presentation 10 minutes talk + 5 minutes questions Focus on your design work to date Field study approach Problem statement Use case scenario Prototype effort Course Lectures Week 2: Requirements analysis Week 3: Functional specification and design Week 4-6: System architecture Week 7-8: Human-system interaction Week 10: Industry perspectives System Back-End Issues Where does the data come from? Will your methods adapt to different databases? What knowledge source will you use? Can your methods use a different source? Do you plan to combine data (knowledge) from multiple databases (knowledge bases)? Design Issues Integrating existing software components, their data and knowledge Developing well-defined models for describing the system design in terms of these components Decision Support Example Hospital mergers lead to the acquisition of multiple legacy clinical information systems The CIO wants to transfer programs built for one system to another system Hospital A Decision Support Example Database A Database B Database C Application Application Application Hospital B Hospital C Problems with Heterogeneity There are multiple ways to specify the same or related concepts and their semantic associations System builders define the semantics of a model that best suits a particular task Data and knowledge represented in different systems cannot readily be shared DoseChecker Example Rule-based system for determining whether patients are receiving excessive or insufficient drug dosing Data inputs Patient data (demographics, laboratory tests) Drug information (static and temporal) DoseChecker Example...
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BMI 211 01.26.10 - Effective Design in Clinical Informatics...

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