Abstract
Premature closure is often described as a significant contributor to diagnostic error. Therefore, developing strategies to mitigate premature closure could reduce diagnostic errors and improve patient care. Here we propose the novel concept of pursuit of an "endpoint diagnosis" as a cognitive forcing strategy (CFS) for avoiding premature diagnostic closure. We define an "endpoint diagnosis" as an underlying causative explanation for a patient's signs, symptoms, and laboratory and radiographic data that exhausts additional relevant diagnostic evaluation. We have observed four contexts in which the error of not pursuing an endpoint diagnosis most often occurs: (1) diagnoses that appear to result in the same treatment regardless of etiology, (2) cases that are particularly complex, (3) clinical scenarios that are vulnerable to systems errors, and (4) situations in which patients' problems are attributed to uncontrolled underlying risk factors or an exacerbation of a known condition. Additionally, we address why we believe endpoint diagnoses are not universally pursued, delineate when this approach might be particularly useful, attempt to reconcile the potential conflict between accepting diagnostic ambiguity in certain instances and pursuing endpoint diagnoses, and outline possible concerns that might arise with using this CFS, including the possibility of lengthy evaluations resulting in overdiagnosis and overtreatment. Our overarching goal is for this CFS to help clinicians in their daily clinical practice as they seek to optimize their diagnostic skill and patient care.
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