# blood oxygen saturation

> fraction of oxygen-saturated hemoglobin relative to total hemoglobin in the blood

**Wikidata**: [Q3045040](https://www.wikidata.org/wiki/Q3045040)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Oxygen_saturation_(medicine))  
**Source**: https://4ort.xyz/entity/blood-oxygen-saturation


## References

1. UMLS 2023