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Diagnosis

Official Journal of the Society to Improve Diagnosis in Medicine (SIDM)

Editor-in-Chief: Graber, Mark L. / Plebani, Mario

Ed. by Argy, Nicolas / Epner, Paul L. / Lippi, Giuseppe / Singhal, Geeta / McDonald, Kathryn / Singh, Hardeep / Newman-Toker, David

Editorial Board: Basso , Daniela / Crock, Carmel / Croskerry, Pat / Dhaliwal, Gurpreet / Ely, John / Giannitsis, Evangelos / Katus, Hugo A. / Laposata, Michael / Lyratzopoulos, Yoryos / Maude, Jason / Sittig, Dean F. / Sonntag, Oswald / Zwaan, Laura


CiteScore 2018: 0.69

SCImago Journal Rank (SJR) 2018: 0.359
Source Normalized Impact per Paper (SNIP) 2018: 0.424

Online
ISSN
2194-802X
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Thresholds, rules and defensive strategies: how physicians learn from their prior diagnosis-related experiences

Norbert Donner-BanzhoffORCID iD: https://orcid.org/0000-0002-8688-1835 / Beate Müller / Martin Beyer / Jörg Haasenritter / Carola Seifart
Published Online: 2019-10-24 | DOI: https://doi.org/10.1515/dx-2019-0025

Abstract

Background

Health professionals are encouraged to learn from their errors. Determining how primary care physicians (PCPs) react to a case, in which their original diagnosis differed from the final outcome, could provide new insights on how they learn from experiences. We explored how PCPs altered their diagnostic evaluation of future patients after cases where the originally assumed diagnosis turned out to be wrong.

Methods

We asked German PCPs to complete an online survey where they described how the patient concerned originally presented, the subsequent course of events and whether they would change their diagnostic work-up of future patients. Qualitative methods were used to analyze narrative text obtained by this survey.

Results

A total of 29 PCPs submitted cases, most of which were ultimately found to be more severe than originally assumed. PCPs (n = 27) reflected on changes to their subsequent clinical decisions in the form of general maxims (n = 20) or more specific rules (n = 11). Most changes would have resulted in a lower threshold for investigations, referral and/or a more extensive collection of diagnostic information. PCPs decided not only to listen more often to their intuition (gut feelings), but to also practice more analytical reasoning. Participants felt the need for change of practice even if no clinical standards had been violated in the diagnosis of that case. Some decided to resort to defensive strategies in the future.

Conclusions

We describe mechanisms by which physicians calibrate their decision thresholds, as well as their cognitive mode (intuitive vs. analytical). PCPs reported the need for change in clinical practice despite the absence of error in some cases.

This article offers supplementary material which is provided at the end of the article.

Keywords: clinical decision-making; defensive medicine; delayed diagnosis; diagnostic errors; general practice; primary health care

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About the article

Corresponding author: Prof. Norbert Donner-Banzhoff, MD, MHSc, Department of Family Medicine (Allgemeinmedizin), University of Marburg, Karl-von-Frisch-Str. 4, 35043 Marburg, Germany


Received: 2019-03-22

Accepted: 2019-09-23

Published Online: 2019-10-24


Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

Research funding: None declared.

Employment or leadership: None declared.

Honorarium: None declared.


Citation Information: Diagnosis, 20190025, ISSN (Online) 2194-802X, ISSN (Print) 2194-8011, DOI: https://doi.org/10.1515/dx-2019-0025.

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