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Published in: BMC Medical Informatics and Decision Making 1/2016

Open Access 01-12-2016 | Research article

Tracing the decision-making process of physicians with a Decision Process Matrix

Authors: Daniel Hausmann, Cristina Zulian, Edouard Battegay, Lukas Zimmerli

Published in: BMC Medical Informatics and Decision Making | Issue 1/2016

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Abstract

Background

Decision-making processes in a medical setting are complex, dynamic and under time pressure, often with serious consequences for a patient’s condition.

Objective

The principal aim of the present study was to trace and map the individual diagnostic process of real medical cases using a Decision Process Matrix [DPM]).

Methods

The naturalistic decision-making process of 11 residents and a total of 55 medical cases were recorded in an emergency department, and a DPM was drawn up according to a semi-structured technique following four steps: 1) observing and recording relevant information throughout the entire diagnostic process, 2) assessing options in terms of suspected diagnoses, 3) drawing up an initial version of the DPM, and 4) verifying the DPM, while adding the confidence ratings.

Results

The DPM comprised an average of 3.2 suspected diagnoses and 7.9 information units (cues). The following three-phase pattern could be observed: option generation, option verification, and final diagnosis determination. Residents strove for the highest possible level of confidence before making the final diagnoses (in two-thirds of the medical cases with a rating of practically certain) or excluding suspected diagnoses (with practically impossible in half of the cases).

Discussion

The following challenges have to be addressed in the future: real-time capturing of emerging suspected diagnoses in the memory of the physician, definition of meaningful information units, and a more contemporary measurement of confidence.

Conclusions

DPM is a useful tool for tracing real and individual diagnostic processes. The methodological approach with DPM allows further investigations into the underlying cognitive diagnostic processes on a theoretical level and improvement of individual clinical reasoning skills in practice.
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Metadata
Title
Tracing the decision-making process of physicians with a Decision Process Matrix
Authors
Daniel Hausmann
Cristina Zulian
Edouard Battegay
Lukas Zimmerli
Publication date
01-12-2016
Publisher
BioMed Central
Published in
BMC Medical Informatics and Decision Making / Issue 1/2016
Electronic ISSN: 1472-6947
DOI
https://doi.org/10.1186/s12911-016-0369-1

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