Pulse oximeter
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Pulse oximeter

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Description

A pulse oximeter is a small, portable medical device used to measure the oxygen saturation level (SpO2) and pulse rate of a person's blood. It works by emitting light waves through the skin, typically on a finger, and measuring the amount of light absorbed by oxygenated and deoxygenated hemoglobin in the blood. The device then calculates the oxygen saturation level and pulse rate based on the differences in light absorption. Pulse oximeters are commonly used in medical settings, such as hospitals and clinics, as well as by individuals at home, especially those with respiratory conditions such as chronic obstructive pulmonary disease (COPD), asthma, or sleep apnea. They provide a quick and non-invasive way to monitor oxygen levels and pulse rate, helping healthcare providers assess a patient's respiratory status and response to treatment, as well as enabling individuals to track their health and wellness.