What oxygen saturation level is considered abnormal?

An oxygen saturation level is a crucial indicator of how well oxygen is being transported throughout the body via the bloodstream. Generally, a normal oxygen saturation level typically ranges from 95% to 100%.

When considering levels lower than normal, an oxygen saturation of 92% or lower signals that the body may not be receiving adequate oxygen, which could lead to hypoxia—a condition where tissues and organs do not receive enough oxygen to function properly. Thus, this level is considered abnormal and potentially concerning, as it may indicate respiratory issues or compromised oxygen delivery.

Additionally, while levels of 90% or lower also indicate abnormal oxygen saturation, a threshold of 92% or lower specifically highlights the beginning of a range that requires closer monitoring or intervention, making it a significant benchmark within clinical practice.