![News18 Graphics on Twitter: "This is how a pulse #oximeter measures #oxygen saturation in a person's body https://t.co/JDTCkETkOv" / Twitter News18 Graphics on Twitter: "This is how a pulse #oximeter measures #oxygen saturation in a person's body https://t.co/JDTCkETkOv" / Twitter](https://pbs.twimg.com/media/E0mu0hmXsAETNIR.jpg:large)
News18 Graphics on Twitter: "This is how a pulse #oximeter measures #oxygen saturation in a person's body https://t.co/JDTCkETkOv" / Twitter
![MyGovIndia on Twitter: "The pulse oximeter is used to measure the oxygen level (oxygen saturation) of the blood. But do you know how does it work? Take a look! #IndiaFightsCorona https://t.co/YAToaH8hIq" / MyGovIndia on Twitter: "The pulse oximeter is used to measure the oxygen level (oxygen saturation) of the blood. But do you know how does it work? Take a look! #IndiaFightsCorona https://t.co/YAToaH8hIq" /](https://pbs.twimg.com/media/Ezv_qtgVgAQnJwF.jpg)
MyGovIndia on Twitter: "The pulse oximeter is used to measure the oxygen level (oxygen saturation) of the blood. But do you know how does it work? Take a look! #IndiaFightsCorona https://t.co/YAToaH8hIq" /
![Measuring heart rate and blood oxygen levels for portable medical and wearable devices - Embedded Computing Design Measuring heart rate and blood oxygen levels for portable medical and wearable devices - Embedded Computing Design](https://data.embeddedcomputing.com/uploads/articles/wp/1451/871-ECD6407-figures-1.jpg)