This video explains how to measure oxygen saturation using a pulse oximeter.
Also check out these videos:
How does a Pulse Oximeter work?
https://youtube.com/shorts/yqTlhnjcka8
How to measure Oxygen Saturation:
https://youtube.com/shorts/m4IjcsOTimk
How to make sure the Pulse Oximeter data is correct:
https://youtu.be/37O4S7VngGY
Alternate Sites for measuring Oxygen Saturation:
https://youtube.com/shorts/qMls2ixh9xw
Types of Pulse Oximeters:
https://youtu.be/EvQ-1HpgSTc
Tips and tricks for measuring Oxygen Saturation:
https://youtube.com/shorts/cU4uBgr7Usg