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Question: Should smartphone apps be used clinically as oximeters? Answer: No. - The Centre for Evidence-Based Medicine
![MyGovIndia's tweet - "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 " - Trendsmap MyGovIndia's tweet - "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 " - Trendsmap](https://pbs.twimg.com/media/Ezv_qtgVgAQnJwF.jpg)
MyGovIndia's tweet - "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 " - Trendsmap
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To measure SPO2, cheap oximeter is better than expensive smartwatch because technology difference - Technology News
![Pulse Oximeter on finger. Digital device to measure oxygen saturation Stock Vector Image & Art - Alamy Pulse Oximeter on finger. Digital device to measure oxygen saturation Stock Vector Image & Art - Alamy](https://c8.alamy.com/comp/2DD3E5G/pulse-oximeter-on-finger-digital-device-to-measure-oxygen-saturation-2DD3E5G.jpg)