Oxygen saturation refers to the percentage of hemoglobin in the blood that is saturated with oxygen. It is usually measured as a percentage, with normal levels typically ranging from 95% to 100%. This measurement helps determine how well oxygen is being delivered to the body’s tissues and organs.
Oxygen saturation is important for health because it indicates how efficiently oxygen is being transported in the bloodstream. Low oxygen saturation can signal respiratory problems, heart issues, or other medical conditions that may require immediate attention. Monitoring oxygen levels can help healthcare providers make informed decisions about a person's health and the need for interventions.
In the body, oxygen saturation plays a critical role in maintaining overall function. When we breathe in, oxygen from the air enters the lungs and binds to hemoglobin in red blood cells. These oxygen-rich cells then circulate through the body, delivering oxygen to cells that need it for energy production and other vital processes. Without adequate oxygen saturation, the body’s organs and tissues may not function properly, leading to fatigue, confusion, or other serious issues.
Regularly checking oxygen saturation can be especially important for individuals with respiratory or cardiovascular conditions. Devices like pulse oximeters are commonly used to measure this level quickly and non-invasively, aiding in the assessment of a person's respiratory health.