Optical Heart Rate and Blood Oxygen Level PC Based Monitoring System
Optical techniques have been used for a long time to perform measurement in many areas. In many cases they relied on bulky equipment that were only used in the labs. Since the advent of the lasers and the advancement in light detectors and light emitting diodes, it has been possible to build portable equipment.
Pulse oximetry is a non-invasive optical technique for monitoring the heart rate and the blood oxygen level. You are required to report on the theory of operation of such devices. You are then required to design, build and test a complete pc-based heart rate monitor system.
I. Survey the current methods used to monitor heart rate and blood oxygen level. Compare those with optical techniques.
II. Detail the principle operation of the optical pulse oximetry.
III. Design and build a practical optical probe that can be easily connected to the subject.
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IV. Design and build the appropriate electronics which includes the source drivers, detectors and the conditioning electronics.
V. Test the optical probe with the electronics to ensure good operation.
VI. Build the appropriate data acquisition circuit for interface with pc.
VII. Develop the software using Lab View to display the heart rate Display must be numeric and in the form of a graph as appropriate.
VIII. Experimentally evaluate the system. Include accuracy and repeatability in your evaluation.
IX. Submit a written report detailing the following:
2. literature review
2. Design and construction details
4. Results and analysis