All watch vitals checked with pulse oximeter, medical grade blood pressure monitor, and the watch provides ECG, Blood Pressure, Stress Levels, Blood Oxygen, Live Pulse, HRV monitor, the works : r/GalaxyWatch
Pulse oximetry for the diagnosis and management of acute respiratory distress syndrome - The Lancet Respiratory Medicine
Fitbit Sense Review: It Can Measure Stress—Sort Of | WIRED
Performance athlete during the exercise stress test. The pulse oximeter... | Download Scientific Diagram
NEW METHOD FOR DETERMINING PERIPHERAL OXYGEN SATURATION (SPO2) DURING PHYSICAL EXERCISE | Office for the Transfer of Research Results
Pulse Oximeter vs SpO2 monitor in Smartwatches: Blood Oxygen Track Reliability, Which One Should You Buy in COVID-19 times, Should you rely on smartwatches to measure blood oxygen,