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 ...

A dangerously low oxygen level—usually below 92%—can cause shortness of breath, confusion, chest pain, or fainting. It’s often triggered by lung or heart conditions like COPD, asthma, or heart ...

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.

It only takes holding your breath for slightly too long to understand that too little oxygen is bad for you. But can you also have too much? Indeed, breathing air with a higher oxygen level than your ...

WRAL Fayetteville reporter Gilbert Baez posted an update from his hospital bed on Monday, saying that while he is feeling okay, his oxygen levels are down. Baez said in a Facebook Live his oxygen ...

Apple has just announced a software update that will enable the missing blood oxygen level measurement capability on the Apple Watch. The update will enable the biosensing feature on the Watch Series ...