Share on Pinterest A pulse oximetry test may clip to a finger to read blood flow. Every system and organ in the body needs oxygen to survive. Without oxygen, cells begin to malfunction and eventually ...

Respiratory desaturation, known as hypoxemia in medical terms, is when you have low blood oxygen saturation. Your blood oxygen saturation is a measure of how much oxygen is in your blood. A normal ...

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.