How does a pulse oximeter work? There are many types of pulse oximeters, which come with varying features and are sold at a range of prices, so you'll want to find the best pulse oximeter for your ...

However, if the waves/lines stay flat, or if each wave looks different, during the reading, it could indicate that the pulse oximeter isn't working as it should. How to measure blood oxygen levels ...

One way to measure oxygen saturation is to use pulse oximeters — those little clips you put over your fingertip (some shown here in gray and blue). In a proof-of-principle study, University of ...

Aoyagi theorized the principle of pulse oximetry in 1974. Pulse oximeters developed based on the technology have helped improve the rate of saving the lives of patients with heart or lung diseases ...