BMI+211+01.07.10

BMI+211+01.07.10 - Effective Design in Clinical Informatics...

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Effective Design in Clinical Informatics BMI 211/CS 271 Amar Das Assistant Professor Medicine (Biomedical Informatics)
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Project Nuts & Bolts
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Project Assignment The project is a written assignment on a system’s design, plus a demo component The goal is to demonstrate an understanding of system concepts as applied to specific user challenges or problems The TAs will meet with each group to provide feedback on the project
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Patient-Centered Cognitive Support “This research area addresses the challenge of harnessing the power of health IT so that it integrates with, enhances and supports clinicians’ reasoning and decision making, rather than forcing them into a mode of thinking that is natural to machines but not to people.”
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Challenges of Integrating Health IT and Decision Making “Today’s clinicians spend a great deal of time and energy searching and sifting through raw data about patients and trying to integrate these data with their general medical knowledge to create an accurate assessment of a patient’s situation that is necessary to make patient-care decisions. Such sifting efforts force clinicians to devote precious time and cognitive resources to the details of data and make it more likely that they will overlook some important higher- order consideration.
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Challenges of Integrating Health IT and Decision Making “The health care IT systems of today tend to squeeze all cognitive support for the clinician through the lens of health care transactions and the related raw data, without showing how data fit together and which elements are important or unimportant. As a result, an understanding of the patient can be lost amidst all the data, tests, and monitoring equipment.
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System Design Technical Model User Model System Interface
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Undertaking Design
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Life Cycles of Development A plan to coordinate activities across time (based on theory and practice) Two general approaches Classic: waterfall (linear) model Alternative: spiral (evolutionary) model
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Waterfall Design Model Requirements analysis Specification Design Implementation Testing Maintenance
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Course Lectures as Waterfall 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
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An Example of Waterfall Design
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THERAPY-HELPER: A great technical design (unplugged) Integrating decision support with an EMR A good design: Elegant architecture A bad design: Logistical challenges Abstracting from T-HELPER: EON
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BMI+211+01.07.10 - Effective Design in Clinical Informatics...

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