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How To Use A Pulse Oximeter Accurately?

Updated: Nov 22, 2022

Covid-19 have introduced pulse oximeters into many homes. Here is a short video on how to use the oximeter accurately.

Key points...

  1. Wash your hands before and after you use the pulse oximeters.

  2. The pulse oximeter attaches to your finger and doesn't hurt.

  3. Make sure the finger that you are going to use does not have any nail varnish, a false nail or henna on it.

  4. Make sure your hand is warm to the touch. The rest it on your chest for 5 minutes.

  5. Switch the pulse oximeter on.

  6. Attach the clip to either your index or middle finger.

  7. Watch the numbers on the oximeter until it stop changing.

  8. PR bpm measures how fast your heart is beating.

  9. %SpO2 measures how much oxygen is in your blood.

  10. Normal reading is typically between 95% and 100%. However in Chronic Obstructive Pulmonary Disease and lung diseases the reading may be lower.

  11. In Covid-19 cases seek medical help if your blood oxygen level %SpO2 stays at 92% or less or is dropping.

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About the Author


Dr. Lennie Soo

Founder and Clinical Director of 360 Wellness Hub.

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