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.

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 ...

Blood oxygen saturation is important to normal healthy functions in the, particularly for lung functions. Blood oxygen levels received renewed attention as an essential vital sign during the COVID-19 ...

The Apple Watch Series 6 has a sensor built in that can measure the oxygen level in the blood. This ability could have a real benefit in judging health and reacting to the first signs of conditions ...

A woman uses an oximeter to measure her pulse and her peripheral oxygen saturation level. The device is useful in checking for low or declining oxygen saturation, which might indicate onsetting ...

Blood oxygen readings can be a useful indicator of wellness, but context is important — and so is medical advice from a doctor. By Brian X. Chen The new Apple Watch can be summed up in two words: ...

A portable device used to detect blood oxygen levels revolutionized the medical field 50 years ago and is now receiving essential updates Efforts to improve the accuracy of pulse oximetry readings for ...