To use a pulse oximeter, you'll clip the device on your toe, finger, or earlobe — here's to use it properly so you can get an accurate reading. Visit Insider's Health Reference library for more ...

Price and features Finger pulse oximeters start from around ₹1000 and go up to ₹5000 or more, but note that you don't need to pay a higher amount as its main job is to read blood oxygen level ...

or even feeling cold can make a pulse oximeter's reading lower than what's actually going on in your body. So make sure you are using a finger, toe, or earlobe that is warm and doesn't have any ...

The theory behind a pulse oximeter relies on the fact that hemoglobin absorbs red and infrared light differently based on its oxygenation levels. By shining a red and IR LED through a finger onto ...