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5 March 2021 Development of a multimodal necklace for continuous monitoring of cardiopulmonary functions
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Abstract
The monitoring of cardiopulmonary functions is essential to diagnose various heart diseases. Moreover, with the spread of the novel coronavirus which is particularly fatal to human life due to ‘silent hypoxia’, the monitoring of cardiopulmonary is being more and more important. We here demonstrate a multimodal necklace capable of monitoring blood oxygenation but also blood flow rate, velocity, and possibly blood pressure. The necklace consists of pulse oximeter sensors and single-element ultrasound transducers. The estimation of a pulse wave velocity (PWV), which is highly correlated with blood pressure, is investigated by exploiting the pulse oximeter sensor and ultrasound transducer in this study. The developed multimodal necklace was evaluated through in vivo study. The results showed that both the chemical and mechanical information of cardiopulmonary function can be monitored with low hardware complexity and resource using the multimodal necklace.
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Moon Hwan Lee, Sangyeon Youn, and Jae Youn Hwang "Development of a multimodal necklace for continuous monitoring of cardiopulmonary functions", Proc. SPIE 11647, Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues XIX, 116471I (5 March 2021); https://doi.org/10.1117/12.2576793
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