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Acad Emerg Med. 2006 Jan;13(1):90-4. Epub 2005 Dec 19.

Profiles in patient safety: confirmation bias in emergency medicine.

Author information

1
Department of Emergency Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA. pinesjes@uphs.upenn.edu

Abstract

Confirmation bias is a pitfall in emergency care and may lead to inaccurate diagnoses and inappropriate treatments and care plans. Because of the increasing severity and volume of emergency care, emergency physicians often must rely on heuristics, such as rule-out protocols, as a guide to diagnosing and treating patients. The use of heuristics or protocols can be potentially misleading if the initial diagnostic impression is incorrect. To minimize cognitive dissonance, clinicians may accentuate confirmatory data and ignore nonconfirmatory data. Clinicians should recognize confirmation bias as a potential pitfall in medical decision making in the emergency department. Reliance on the scientific method, Bayesian reasoning, metacognition, and cognitive forcing strategies may serve to improve diagnostic accuracy and improve patient care.

PMID:
16365325
DOI:
10.1197/j.aem.2005.07.028
[Indexed for MEDLINE]
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