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Diagnosing diagnostic failure
Lawrence L Weed1, Lincoln Weed2
11Emeritus Professor of the University of Vermont College of Medicine, Burlington, VT, USA.
Diagnosis (Berlin, Germany)
|March 16, 2018
Summary
Diagnostic errors stem from over-reliance on physician judgment. Implementing external information management standards and tools can improve diagnostic accuracy by mitigating cognitive limitations and biases.
Area of Science:
- Medical Informatics
- Cognitive Science in Medicine
- Clinical Decision Making
Background:
- Diagnostic failure is often attributed to physician cognitive limitations, including information processing constraints and inherent biases.
- Current medical education and credentialing may inadvertently reinforce reliance on subjective clinical judgment over systematic information management.
- A gap exists between acquiring scientific knowledge and developing scientific behaviors essential for accurate diagnosis.
Purpose of the Study:
- To propose a framework for improving diagnostic accuracy by establishing external standards for clinical information management.
- To introduce the use of information tools to mitigate cognitive constraints in medical diagnosis.
- To advocate for a systematic, tool-assisted approach to diagnosis and follow-up care.
Main Methods:
- Defining standards of care for managing medical knowledge and patient data.
- Implementing information tools to support diagnostic processes.
- Establishing organized follow-up procedures including problem definition, planning, execution, feedback, and corrective action.
- Documenting all processes under strict standards of care.
Main Results:
- Externalizing information management bypasses human cognitive limitations (retrieval, processing, heuristics, biases).
- Information tools facilitate comprehensive identification of diagnostic possibilities and necessary investigations.
- Systematic, tool-supported follow-up processes enhance management of complex diagnostic challenges.
- Adherence to standards of care ensures rigorous documentation and oversight.
Conclusions:
- Diagnostic accuracy can be significantly improved by shifting from physician-centric judgment to externalized, standardized information management.
- Information tools are crucial for overcoming inherent cognitive constraints in medical diagnosis.
- A structured, evidence-based approach, supported by technology and strict standards, is essential for reliable diagnostic outcomes.
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