Special Articles21 April 2020
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    Making a diagnosis is perhaps the most frequently performed and important procedure in an internist's wheelhouse. Indeed, a patient's therapeutic options and prognosis often center around the right diagnosis being made in a timely fashion. Unfortunately, diagnostic errors are common, with frequency estimates ranging from 10% to 40% in some studies (1, 2). Furthermore, misdiagnosis is more likely to be considered negligent and have proportionately higher morbidity and morbidity than other errors (3, 4).

    Cognitive psychology research over the past 40 years has led to the development of dual process theory, wherein 2 central cognitive systems, system 1 and system ...

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