Blood oxygen levels refer to the amount of oxygen circulating in the blood. Normal blood oxygen levels fall between 75 and 100 millimeters of mercury (mm Hg) on arterial blood gas (ABG) test results.

First, pause and take a deep breath. When we breathe in, our lungs fill with oxygen, which is distributed to our red blood cells for transportation throughout our bodies. Our bodies need a lot of ...

Say good-bye to pulse oximeters: Smartphone's camera and flash can now help people to measure blood oxygen levels easily at home. No need to search for pulse ...

In a proof-of-principle study, researchers have shown that smartphones are capable of detecting blood oxygen saturation levels down to 70%. This is the lowest value that pulse oximeters should be able ...

With several Covid-infected individuals suffering from fluctuating oxygen levels after 4-5 days of illness, doctors have advised all patients to monitor their oxygen saturation levels once diagnosed ...