• Adrian Aron, Shala Cunningham, Isaac Yoder, Elizabeth Gravley, Olivia Brown, and Charles Dickson.
• Department of Physical Therapy, Radford University Carilion, Roanoke, Virginia, USA.
• J Eval Clin Pract. 2024 Feb 1; 30 (1): 738173-81.

Rationale And ObjectivesDiagnostic momentum refers to ruling in a particular diagnosis without adequate evidence. As the field of physical therapy continues to transition more towards autonomous practitioners with direct access, there is a need to identify the effect of a physician diagnosis on a therapist's examination and treatment. The purpose of this study was to identify if diagnostic momentum exists in physical therapy and whether this phenomenon could affect the ability of the therapist to identify clinical red flags.MethodsAn online survey with randomized case scenarios was completed by 75 licensed practicing physical therapists. Participants received one of two scenarios: a case vignette where the patient was referred to physical therapy for left shoulder pain and presented with 'red flags' indicative of myocardial infarction, or a similar vignette with additional results from an exercise stress test that ruled out myocardial infarction. The subjects were asked if they would 'treat' or 'refer' to another healthcare provider and the reason behind their decision. Independent t-tests and χ2 analyses were conducted to understand the differences between the groups. A thematic analysis was used to explore the therapists' responses regarding the reasoning for their decision.ResultsThere was no significant difference in clinical decision making based on age, gender, years of experience, advanced certification, primary caseload or primary practice setting. Among those who received the case without the stress test, 31.4% of participants indicated that they would refer, compared to 12.5% of the participants that had the additional stress test result included within their case. The presence of the negative stress test was indicated as the main reason for choosing to treat without referral by 65.7% of the subjects that received the additional stress test result.ConclusionThis study suggests that practicing physical therapists may be influenced by diagnostic decisions made by other clinicians, causing them to overlook signs and symptoms of possible myocardial infarction.© 2023 The Authors. Journal of Evaluation in Clinical Practice published by John Wiley & Sons Ltd.

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