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.
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-73%
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