An oximeter, specifically a pulse oximeter, is a medical device used to measure the oxygen saturation level in a person's blood. It is a simple and non-invasive tool that provides important information about a person's respiratory and circulatory health. Here are the key features and functions of an oximeter:
Oxygen Saturation (SpO2) Measurement: The primary function of an oximeter is to measure the oxygen saturation level in the blood. This measurement is usually expressed as a percentage (e.g., 95%). It indicates the percentage of hemoglobin in the blood that is saturated with oxygen. A healthy individual typically has a SpO2 level of 95% or higher.
Pulse Rate Measurement: Most oximeters also provide a pulse rate measurement. This is the number of heartbeats per minute (bpm). It is an important vital sign and helps in monitoring the overall cardiovascular health of a person.
Non-Invasive: Oximeters are non-invasive, which means they do not require a blood sample or any penetration of the skin. Instead, they use a simple sensor placed on a person's finger, toe, or earlobe to measure oxygen saturation and pulse rate.
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