A pulse oximeter is a device that clips on your finger, toe, or earlobe to measure blood oxygen saturation. Here's how it works and how to read it.

Fitbit has released an update for its Versa and Ionic lines that lets you quickly check your blood oxygen saturation. The new Fitbit SpO2 Signature watch face shows your overnight SpO2 readings, which ...

When Fitbit launched the Charge 4 fitness band, one of the features we found the most interesting was its ability to estimate users' blood oxygen saturation levels through its SpO2 monitor. Users ...

Your phone may be able to do far more when it comes to your health, researchers have uncovered. In fact, using your smartphone’s camera and flash may help to ...

DEAR DR. ROACH: I see smart watches that are advertised to measure heart rates, oxygen saturation, blood pressure, and even glucose levels. Are these things accurate? -- A.K. ANSWER: The quality of ...

Vital signs, those fluorescent green numbers that beep, ding, and dash across black screens on the monitors in hospital rooms, have become a new source of angst during the coronavirus pandemic. One of ...

While near-infrared spectroscopy (NIRS) long has been used to monitor oxygenation in conditions in which blood flow is altered, such as bleeding in the brain, how NIRS values relate to other vital ...

Supplemental oxygen in patients with confirmed myocardial infarction has no clinical benefit irrespective of oxygen saturation levels at baseline, a new analysis of the Determination of the Role of ...