Monitoring your oxygen level with a pulse oximeter if you have COVID-19 can help determine if it falls too low. Low levels may need medical attention. COVID-19 is a respiratory infection. It can cause ...

Having a low level of oxygen in the blood is an early sign of worsening COVID. But not everyone gets obvious symptoms. For instance, some people can have low oxygen levels without getting short of ...

(CNN)-- Often when Dr. Thomas Valley sees a new patient in the intensive care unit at Michigan Medicine in Ann Arbor, he clamps a pulse oximeter on their finger -- one of the many devices he uses to ...

Over the past two years, the pulse oximeter has become a crucial tool for tracking the health of COVID-19 patients. The small device clips onto a finger and measures the amount of oxygen in a ...

Manufacturers increasingly but still infrequently follow Food and Drug Administration guidance that recommends testing pulse oximeters on participants with a range of skin pigmentations, according to ...