Yes, it does work. Not only it measures your blood oxygen level in your blood but it also measures your pulse rate. A pulse oximeter is a small invasive device that measures your pulse rate and oxygen level in the form of a percentage.
What should be normal heart rate?
In healthy human beings, when the oxygen saturation level is 95-100%, then the pulse rate should be between 60 and 100. It means your heart is beating normally and providing oxygenated blood to all the organs. If any of these 2 numbers do not lie in the recommended category, it means your body is getting less oxygen.
Normal reading of oxygen saturation level
For healthy people, the oxygen level should be around 95-100%. However, it’s normal for it to be in the range of 90-95% due to these reasons
- Higher altitude
- Exercise
- Temperature extremes
In the case of people with respiration issues and COPD, the normal range of oxygen levels is 88-92%. Under 88% in any case is dangerous.
Purpose and uses
The main purpose of oximeter is to monitor how well your heart is pumping blood and how much oxygen saturation level is in your body. It is also used to monitor the type of condition that is affecting your heart rate and your blood oxygen level including
- Asthma
- Anemia
- Heart attack or heart failure
- Congenital heart defects
- Pneumonia
- Lung cancer
- Chronic obstructive pulmonary disease (COPD
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