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 recent study explored one possible cause -- hyperoxia or high concentrations of oxygen given to such patients during surgery -- as opposed to doses more similar to air. The study concluded that ...

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 ...

Low oxygen levels in the blood can alter the genetic makeup of key immune cells, weakening the body's ability to fight ...