| Discipline |
Biotechnology and Biomedical Engineering |
| Lab |
Introduction to Biomedical Engineering Instrumentation Lab |
| Experiment |
Pulse Oximeter Functionality |
The experiment "Pulse Oximeter Functionality" focuses on the principles of Pulse Oximetry, a non-invasive method used to monitor a person's oxygen saturation (SpO2) and heart rate. The simulation illustrates the optoelectronic process of passing two different wavelengths of light—red (660 nm) and infrared (940 nm)—through a peripheral part of the body, such as a fingertip.Through the interactive interface, students can explore the Beer-Lambert Law and how oxygenated and deoxygenated hemoglobin absorb light differently. The lab typically guides users through the instrumentation setup, including the light-emitting diodes (LEDs), photodetectors, and the signal processing required to extract the plethysmographic waveform (PPG). By manipulating physiological variables, users can observe how changes in oxygen levels affect the resulting signal, providing a safe and accessible way to understand the calibration and clinical significance of oximetry in patient monitoring without requiring physical medical hardware.
| Name of Developer |
Dr. Shyam Diwakar |
| Institute |
Amrita Vishwa Vidyapeetham |
| Email id |
shyam@amrita.edu |
| Department |
Amrita Mind Brain Center |