A Doctor's Take On Apple's "Blood Oxygen" Sensor

As a physician who is infatuated with tech, I often live at the intersection of medicine and technology. Naturally, wearable biosensors have piqued my interest over the last several years. In this video, I discuss Apple Watch Series 6's "blood oxygen" sensor (essentially a reflectance pulse oximeter), what this biosensor is ACTUALLY measuring, and why the semantics can matter.

Apple Watch Series 6 Does Not Measure "Blood Oxygen": https://rk.md/2020/apple-watch-6-does-not-measure-blood-oxygen/
What Does A Pulse Oximeter Tell Us?: https://rk.md/2016/pulse-oximeter-tell-us/

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Видео A Doctor's Take On Apple's "Blood Oxygen" Sensor канала Rishi Kumar, MD