There are more than 3 conditions that can give a false pulse oximetry reading
- Carbon monoxide poisoning
- Nail polish or artificial nails
- Poor circulation or cold hands
- Exercise and vibration
- Movement and dislodging of the oximeter sensor
- Intravenous Dyes
Why use pulse oximeter
The pulse oximeter is the non-invasive device that measures the oxygen concentration in your blood. Many pathologies are directly or indirectly linked with blood oxygen levels. Oximeter helps to monitor it.
Oxygen level in blood
The normal oxygen level in blood should be around 95-100%. However, it can fall in the range of 90-95% in healthy people if they
- Move towards higher altitude
- Move from one temperature extreme to another
- Exercise
However, in the case of lung issues or COPD, its normal to have oxygen concentration between 88-92% but below 88% can affect your organs.
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