Collection: Pulse Oximeters

Pulse oximeters, also known as pulse ox, oxygen saturation monitors, blood oxygen meters, or oxygen readers, are essential medical devices used to measure the oxygen saturation level in the blood and heart rate. These noninvasive devices are typically attached to a person's finger, toe, earlobe, nose bridge, or forehead.

The principle behind pulse oximeters involves emitting light waves through the body, which then pass through tissue and blood vessels to a photodetector. The device measures the absorption of different wavelengths of light by oxygenated and deoxygenated hemoglobin in the blood, allowing it to calculate the oxygen saturation level, expressed as SpO2 (peripheral oxygen saturation). Additionally, pulse oximeters measure heart rate or beats per minute (BPM) by detecting pulsatile blood flow.

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