What is a pulse oximeter?
The pulse oximeter is a device that measures the oxygen level in your blood. It is generally used by doctors to check if a patient has a respiratory disease or not. A pulse oximeter consists of two sensors – one that goes on the patient’s fingertip and the other on their earlobe. The sensors emit light, which is then detected by the machine. The machine then calculates the oxygen level in the blood based on the absorption of light by the hemoglobin.
A pulse oximeter is a medical device used to measure the oxygen saturation levels in a person's blood and their heart rate. It is a small, portable, and non-invasive device that has become increasingly popular for personal home use, as well as in healthcare settings.
Here are some key points about pulse oximeters:
1. Oxygen Saturation (SpO2): The oxygen saturation level, often referred to as SpO2, is expressed as a percentage, indicating the amount of oxygen carried by the red blood cells.
2. Heart Rate: They measure the number of times the heart beats per minute (bpm). Normal resting heart rates for adults typically range from 60 to 100 bpm.
3. Non-invasive and Easy to Use: They are painless and straightforward to use, usually requiring the user to insert their finger into the device and wait a few seconds for the readings to appear on the display.
4. Portable and Convenient: They are battery-operated and often have a small display to show the readings.
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