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Imaging Handling in Presentations at Vascular Meetings: Do We Have a Vision?
Elizabeth Wooster, M.Ed., PhD Candidate1, Douglas Wooster, MD, FRCSC, FACS, RPVI2.
1Leadership, Higher and Adult Education, OISE/University of Toronto, Toronto, ON, Canada, 2Department of Surgery, University of Toronto, Toronto, ON, Canada.
OBJECTIVES:
Most presentations at academic meetings are accompanied by “slides” presented in PowerPoint® format. Vascular presentations frequently include images of clinical material, diagnostic imaging (CT, MRI, U/S, etc.) or operative findings. Optimized images are important to clear understanding of material presented. This study aims determine whether current presentation materials included clear, optimized images, and what common flaws could be identified in small, medium and large meeting settings. We analyzed findings and related literature to identify practical image optimization strategies.
METHODS:
A validated audit tool was applied to assess image handling in 100 presentation in each of small (100) vascular meetings; presenters ranged from novice to expert. Specific domains and elements relevant to image optimization were audited in each presentation and correlated to the overall quality of the presentation. A structured literature review was performed to address theory, study results and ‘advice’ relevant to the topic.
RESULTS:
Patterns of audit results were no different with respect to meeting size. There was a trend, however, to better results with experienced presenters. Common flaws included: aim of image was unclear (20%); image not optimized to aim (50%); inclusion of hospital, clinic or manufacturer identifiers (70%). Technical flaws included: poor cropping (50%); small size (60%); unsharp focus (20%); suboptimal contrast (40%) and brightness (70%). Appropriate labelling was often poorly executed (20%) or absent altogether (75%). The correlation of these findings with literature review of design theory, previous studies and published “advice” allowed the identification of 10 tips to optimized images for presentation. These include 1. Technical (contrast, brightness, focus), 2. Size (cropping, resizing, background), 3. Labels (color, size) and 4. Identifiers (sources, privacy).
CONCLUSIONS:
Presentation quality and impact can be related to effective image use. Image handling in vascular presentations is suboptimal. The identified concerns and documented flaws can be rectified by applying theory and recognized practice to optimize images.
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