What is pulse oximeter?

Pulse oximetry is a noninvasive method for monitoring a person's oxygen saturation. The device for measuring it is called as a pulse oximeter.

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How to use it?

Make sure to read the manufacturer’s instructions before using it.

1. Just insert your finger inside the probe and wait till you get your readings.

2. Note that your hand is warm

3. Try to be relaxed

4. Probe to be held below the level of the heart. 

5. Remove any nail polish on that finger.

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Be aware that multiple factors can affect the accuracy of a pulse oximeter reading.

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The standard one's display:

A. Heart rate-Usually shown as PR

B. Oxygen saturation- Represented as %

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Few signs of low oxygenation:

• Bluish discoloration of the face, lips, or nails.

• Shortness of breath

• Difficulty in breathing

• Restlessness 

• Fast or racing pulse rate.

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DISCLAIMER:

1. Do not come to  a conclusion on your health condition or oxygen levels based on only pulse oximeter readings.

2. Make sure that you use a good brand,so that the chances of inaccuracy will be less.

3. Always consult a doctor incase your readings are low instead of googling the causes and remedies.