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. 2022 Aug 26;12:14575. doi: 10.1038/s41598-022-18873-7

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© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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(A) Equipment set-up for Protocols 1 and 2. In Protocol 1, the AED was connected to the vital-signs manikin ECG simulator through the electrode cables. A video camera was placed on a tripod ensuring clear view of the equipment and participant. In Protocol 2, the SAM 500P was connected to the vital-signs manikin ECG simulator through the electrode cables. A webcam connected to a laptop with Microsoft Teams provided a view of the AED. A second webcam and laptop with Microsoft Teams provided a view of the vital-signs manikin. The investigator was located between the manikin and the AED to perform tasks as instructed by the participant. (B) The plane-view of the AED and the manikin are visible as side-by-side video feeds. The participant has shared their screen, enabling the investigator to view their mouse movements over the video feed (see mouse circled). The participant’s video icon on the bottom right of the screen has been anonymized.