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. 2020 May 15;22(5):e13156. doi: 10.2196/13156

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©Yong-Seok Park, Sung-Hoon Kim, Yoon Se Lee, Seung-Ho Choi, Seung-Woo Ku, Gyu-Sam Hwang. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 15.05.2020.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on http://www.jmir.org/, as well as this copyright and license information must be included.

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Development of a built-in device to monitor blood pressure surge using electrocardiogram (ECG) and photoplethysmographic (PPG) signal. Tablet personal computer as display and other biosignal sensor system were combined together and enclosed by housing. Blood pressure estimation algorithm was applied to the device, and the software was based on LabVIEW programming. Note that real-time–plotted red dots over ECG and PPG wave on display monitor indicate peak and first derivatives of those signals.