Vertical Video Medical expert taking oxygen saturation levels with an oximeter, doing measurements and vital signs readings with a digital device with clip. Doctor consulting a patient at appointment

Close-up of a patient monitor displaying oxygen saturation levels, with a focus on the detailed readout. The image highlights the critical monitoring of vital signs in a clinical setting

Female caregiver using a pulse oximeter on a senior woman's finger to monitor her health and check her oxygen saturation levels, with their reflection visible in a round mirror

Saturation (the level of oxygen in the blood) is measured using a pulse oximeter.

Saturation (the level of oxygen in the blood) is measured using a pulse oximeter.

Vital signs - Oxygen saturation (SpO2): Nursing skills: Video, Causes, & Meaning | Osmosis

Fingertip Pulse Oximeter, Blood Oxygen Saturation Monitor (SpO2) with Pulse Rate Measurements and Pulse Bar Graph, Portable Digital Reading LED Display, Batteries and Carry Case Included

CONTEC CMS50NA Pulse Oximeter Fingertip Blood Oxygen Saturation Monitor SpO2 and PR Value Waveform Blood Oxygen Neck/Wrist Corda, Grey

Fingertip Pulse Oximeter, Blood Oxygen Saturation Monitor (SpO2) with Heart Rate Detection and Pulse Bar Graph, White Bright Digital LED Display, Batteries and Carry Case Included