Is the Nighttime Oxygen Monitoring of Smartwatches Accurate? How to Self-Check at Home Without Tools Against Abnormal Symptoms?
[Image] “My child bought me a smartwatch that claims to measure blood oxygen levels while I sleep, but I found that the values it reports are higher than those from a medical pulse oximeter. How reliable are these results?” In the “Breathing Watch” discussion group, Ms. Zhao, a patient with COPD, raised a question that … Read more