PULSE OXIMETER
PULSE OXIMETER
A pulse oximeter is a small, non-invasive device that estimates the amount of oxygen in a person's blood. It works by shining a light through the skin and measuring how much light is absorbed, which varies depending on the oxygen saturation level of the blood. The device then displays the oxygen saturation level (SpO2) and heart rate.
A pulse oximeter is a medical device that indirectly monitors the oxygen saturation of a patient's blood (as opposed to measuring oxygen saturation directly through a blood sample) and changes in blood volume in the skin, producing a photoplethysmogram that may be further processed into other measurements. The pulse oximeter may be incorporated into a multiparameter patient monitor. Most monitors also display the pulse rate. Portable, battery-operated pulse oximeters are also available for transport or home blood-oxygen monitoring.