Doctors say for most people they aren't needed -- and may even be a bad idea. Lung problems like pneumonia and respiratory failure can be some of the most severe symptoms of COVID-19. Knowing how your ...

A pulse oximeter is a small device that can measure the oxygen saturation in your blood. Pulse oximetry is useful for people with chronic lung or heart conditions, who need to monitor how well oxygen ...

This large prospective UK study compared five low-cost fingertip pulse oximeters with arterial blood gas measurements and ...

As runners, we love our metrics, and 2020 has brought a buzzy new one to the forefront: pulse oximetry. Apple launched the Apple Watch Series 6 on September 18, touting pulse oximetry (or blood oxygen ...