Pulse Oximeter - Do's & Don'ts - Myths & Facts

 

The Covid – 19 Pandemic has drastically changed our lifestyle. Till mid-March 2020, most of us may not have even thermometer in our homes. But now it became compulsory to have apparatus like Thermometer, Blood Pressure Monitor, Glucometer, Pulse Oximeter, Vaporizer etc. at home. We must know how to use these devices to get accurate results as well as to get proper medical attention in time. Let us see how to use Pulse Oximeter, common misconceptions and facts about it in this article.

Dos and Don'ts while using Oximeter: -

Keep these things in mind before using an Oximeter. Make sure our nails are free of nail polish. If the nail is polished, the Oximeter may not work properly. One should rest for at least five minutes when the Oximeter is supposed to be used and should not feel any tension. Only the middle finger or index finger, should be placed on the Oximeter. Also put the other hand on your heart. Wait until the number on the Oximeter is completely stable at the time of reading. After that the number should be recorded properly. Check and record your oxygen levels three times a day. Only then will we know if our oxygen levels in the blood are changing or not.

If the oxygen level drops below 93, it is better to consult a doctor without wasting time checking repeatedly.

Misconception:-

Pulse Oximeters also show pulse rate and oxygen level for pens, pencils, and objects. A video is going viral on social media saying that the manufacture of Oximeter is a big scam. The video shows the pen showing the pulse rate when it is inserted into the pulse Oximeter.   

Fact: - 

Pulse Oximeters have sensors on one side and red infrared light sources on the other. This light travels through the finger and picks up on the sensor while checking the pulse. Oxygen level and pulse rate are determined by the amount of light falling on the sensor. However, when objects such as pens and pencils are placed, the sensor detects and beats the heartbeat even when light passes through them. It doesn’t denote that the pulse‌ Oximeters are cheating.

 

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