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": rk.md/2020/apple-watch-6-does-not-measure-blood-ox… What Does A Pulse Oximeter Tell Us?: rk.md/2016/pulse-oximeter-tell-us/ Subscribe to the channel, and drop me a comment with questions or suggestions! ----- Blog: rk.md/ Instagram: instagram.com/rishimd Facebook: www.facebook.com/rishikumarmd Twitter: twitter.com/rishikumarmd