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• W3201457795 abstract "In the emergency department (ED), chest radiographs (CXRs) provide essential information for clinical diagnostic reasoning. Errors in interpretation by emergency physicians can lead to negative patient outcomes. To aid in teaching this important skill, an understanding of cognitive processes and cognitive load (CL) in CXR interpretation in emergency medicine (EM) personnel is warranted.This study adopted a concurrent mixed-methods research design. Participant groups included medical students (M), junior (J) and senior (S) EM residents, and attending emergency physicians (P) in the ED at an academic hospital. To elucidate cognitive processes, a real-time cognitive task analysis during CXR interpretation was performed. Interviews were audio recorded, transcribed verbatim, and analyzed thematically. The interview was followed by a questionnaire, where participants rated their CL, stress, and confidence level.Levels of CL (M vs. S and M vs. P, p = 0.002; J vs. S, p = 0.004; J vs. P, p = 0.005) and stress (J vs. P, p = 0.002) decreased, while confidence levels increased (M vs. S, p = 0.006; J vs. S, p ≤ 0.001; J vs. P, p = 0.003) as experience level increased. Qualitative analysis of interviews revealed four themes: checking behavior, information reduction, pattern recognition versus systematic viewing, and recognizing scope of practice. Experts commonly utilized checking behavior (e.g., comparison to prior radiographs) and deprioritized task irrelevant data. Experts used a general overview technique as their initial approach as opposed to a systematic viewing approach, and they more readily recognized an EM physicians' scope of practice in this task.This study characterized differences in cognition that led to increased CL, stress, and lower level of confidence in EM learners during CXR interpretation and provided insight into expertise development in this important skill." @default.
• W3201457795 created "2021-09-27" @default.
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• W3201457795 date "2021-10-01" @default.
• W3201457795 modified "2023-10-16" @default.
• W3201457795 title "Cognitive load and processes during chest radiograph interpretation in the emergency department across the spectrum of expertise" @default.
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• W3201457795 doi "https://doi.org/10.1002/aet2.10693" @default.
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