Continuous measurement of Oxygen Saturation Level using photoplethysmography signal

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Conference Proceeding
ICBPE 2006 - Proceedings of the 2006 International Conference on Biomedical and Pharmaceutical Engineering, 2006, pp. 504 - 507
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Measuring Oxygen Saturation Level is an important part in monitoring patient's health condition. This is commonly monitored by a pulse oximeter, which has been widely adopted around the world as a standard measure during anesthesia, neonatal care and post-operative recovery. However, measuring Oxygen level continuously is very important for aged people, pregnant women and in many other critical situations. This paper considers the problem of measuring Oxygen saturation level continuously, a method to measure Oxygen Level using Photoplethysmography (PPG) signal has been presented. A prototype transducer has been built to measure the PPG. The transducer needs to be in contact to the subject's finger. Developed algorithm is presented that achieved accurate oxygen level and an experiment was also carried out on subjects' finger © 2006 Research Publishing Services.
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