Perceptual training and teaching medical students how to window and level chest radiographs

William F. Auffermann; Megan K. Mills

doi:10.1117/1.JMI.10.S1.S11907

26 April 2023 Perceptual training and teaching medical students how to window and level chest radiographs

William F. Auffermann, Megan K. Mills

Author Affiliations +

Journal of Medical Imaging, Vol. 10, Issue S1, S11907 (April 2023). https://doi.org/10.1117/1.JMI.10.S1.S11907

Abstract

Purpose

Perceptual errors account for a significant percent of errors in radiology. Reasons for failure to identify significant lesions are partially due to suboptimal differences in image contrast. The goal of this study is to determine if teaching trainees how to adjust image contrast, window, and level helps trainees identify pulmonary nodules on chest radiographs (CXRs).

Approach

Fourteen medical students voluntarily participated. Subjects were asked to identify pulmonary nodules on CXRs before and after being taught how to adjust image contrast, window, and level. At the end of the study, subjects were given a survey assessing their perceptions about their training.

Results

The experimental group was more confident in their ability to localize nodules relative to the control group (P-value = 0.003). Subjects demonstrated statistically significant improvement in their ability to identify and localize nodules, with the experimental group performing better than the control group, though there was no statistically significant difference between groups. Participant survey indicated that they felt this training was beneficial, P-values for all survey responses were significant (P-values all <0.02).

Conclusions

Teaching subjects how to window and level medical images may be a useful adjunct to current training for medical image interpretation.

Citation Download Citation

William F. Auffermann and Megan K. Mills "Perceptual training and teaching medical students how to window and level chest radiographs," Journal of Medical Imaging 10(S1), S11907 (26 April 2023). https://doi.org/10.1117/1.JMI.10.S1.S11907

Received: 13 October 2022; Accepted: 3 April 2023; Published: 26 April 2023

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KEYWORDS

Education and training

Medical imaging

Windows

Chest imaging

Radiology

Perceptual learning

Chest

Purpose

Approach

Results

Conclusions

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