Optical Sensors: Photoplethysmography

In course

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Description

This lecture covers the principles of photoplethysmography (PPG), a method to measure blood volume changes using light absorption. It explains the operating modes, absorption of light by tissues, and the relationship between PPG signal and arterial pressure. The instructor also compares PPG with ECG.

Instructor

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Official source

https://mediaspace.epfl.ch/media/0_l1p7yqey

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