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Exploring synthesis as a vital cognitive skill in complex clinical diagnosis

  • Dilushi Wijayaratne ORCID logo , Praveen Weeratunga ORCID logo und Saroj Jayasinghe ORCID logo EMAIL logo
Veröffentlicht/Copyright: 31. Januar 2024
Diagnosis
Aus der Zeitschrift Diagnosis Band 11 Heft 2

Abstract

Clinicians employ two main cognitive approaches for diagnoses, depending on their expertise. Novices typically use linear hypothetico-deductive methods, while experts rely more on intuitive pattern recognition. These closely correspond to System 1 and System 2 thinking described in behavioral economics. We propose that complex cases additionally require the cognitive skill of synthesis, to visualize and understand the connections between various elements. To illustrate the concept, we describe a 60-year-old individual with a 6 h history of chest pain, fever, cough, accompanying chronic heart failure, atrial fibrillation, COPD, thyrotoxicosis, and ischemic heart disease. Faced with such a scenario, a bedside approach adapted by clinicians is to generate a list of individual diagnoses or pathways of pathogenesis, and address them individually. For example, this cluster could include: smoking causing COPD, IHD leading to chest pain and heart failure, and thyrotoxicosis causing atrial fibrillation (AF). However, other interconnections across pathways could be considered: smoking contributing to IHD; COPD exacerbating heart failure; IHD and pneumonia triggering atrial fibrillation; thyrotoxicosis and AF, independently worsening heart failure; COPD causing hypoxemia and worsening ventricular function. The second cluster of explanation offers a richer network of relationships and connections across disorders and pathways of pathogenesis. This cognitive process of creatively identifying these relationships is synthesis, described in Bloom’s taxonomy of the cognitive domain. It is a crucial skill required for visualizing a comprehensive and holistic view of a patient. The concept of synthesis as a cognitive skill in clinical reasoning warrants further exploration.


Corresponding author: Saroj Jayasinghe, Emeritus Professor of Medicine, Department of Clinical Medicine, Faculty of Medicine, University of Colombo, Kynsey Road, Colombo 08, Sri Lanka, E-mail:

  1. Research ethics: Not applicable.

  2. Informed consent: Not applicable.

  3. Author contributions: The initial concept was drafted by SJ and DW and PW contributed to developing it further with examples and in drafting the final manuscript. All authors read approved the final version of the manuscript.

  4. Competing interests: The authors state no conflict of interest.

  5. Research funding: None declared.

  6. Data availability: Not applicable.

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Received: 2023-10-07
Accepted: 2024-01-15
Published Online: 2024-01-31

© 2024 Walter de Gruyter GmbH, Berlin/Boston

Artikel in diesem Heft

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  3. Exploring synthesis as a vital cognitive skill in complex clinical diagnosis
  4. Original Articles
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Heruntergeladen am 31.10.2025 von https://www.degruyterbrill.com/document/doi/10.1515/dx-2023-0139/html?lang=de
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