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.

Coronavirus This tool for COVID-19 patients can detect if they need to go to the hospital Pulse oximeters are flying off store shelves but not everyone should be buying them, doctors said.

Simultaneous comparison measurements were made comparing a conventional pulse oximeter (Ohmeda 3800) attached to distal digits and a new RPO oximeter at multiple sites including arm, foot, chest ...