| Summary: | 碩士 === 國立臺灣大學 === 醫學工程學研究所 === 98 === Continuous Blood pressure is one of the most important vital signs to evaluate cardiac-vascular system conditions especially monitoring in intensive care units and operation zones. However, the usage of arterial-line is the most common method of continuous blood pressure measurement. It is measuring real-time blood pressure variations and waveforms directly and reliably, but it neither sets up complex nor is an invasive procedure to induce the risks, like infection or embolism. Photoplethysmography is a non-invasive technology to measure the change of tissue vessel volume concerned with cardiac-vascular system. The aim of research is to find the possibility of developing an easy use, stable, noninvasive, and long term measurement of blood pressure by photoplethysmography.
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