Development of Photoplethysmogram system

Project Abstract / Summary : Photoplethysmography (PPG) is used to estimate the blood flow using infrared light. Researchers from different domains of science have become increasingly interested in PPG because of its advantages as non-invasive, inexpensive, and convenient diagnostic tool. Traditionally, it measures the oxygen saturation, blood pressure, cardiac output,and for assessing autonomic functions. Moreover, PPG is a promising technique for early screening of various atherosclerosis pathologies and could be helpful for regular GP-assessment but a full understanding of the diagnostic value of the different features is still lacking.
Photoplethysmography (PPG) is a simple and low-cost optical technique that can be used to detect blood volume changes in the microvascular bed of tissue. It is often used non-invasively to make measurements at the skin surface. The PPG waveform comprises a pulsatile (‘AC’) physiological waveform attributed to cardiac synchronous changes in the blood volume with each heart beat, and is superimposed on a slowly varying (‘DC’) baseline with various lower frequency components attributed to respiration, sympathetic nervous system activity and thermoregulation. They can provide valuable information about the cardiovascular system.
In this project we discussed the different algorithmic approaches to extract various useful features from PPG wave forms. We have also discussed heart rate calculation using MAT LAB simulation.

Why did you choose to work on this project topic : Photoplethysmography (PPG) is a simple and low-cost optical technique that can be used to detect blood volume changes.This project can help in detection of heart rate and other high risk factors that can effect human health.So this project is a perfect example of technology and engineering that can serve for human health development.In the field of bio medical instrumentation very few developments had taken place so this project will be a small step towards curing life and giving alert about future risks.

Project Category : Electrical / Electronics / Communication
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Institute/College Name: calcutta institute of engineering and management
City: kolkata
State: west bengal
Participating Team From: Final Year