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Amazon.com: Fingertip Pulse Oximeter, Blood Oxygen Saturation Monitor (SpO2) with Pulse Rate Measurements and Pulse Bar Graph, Portable Digital Reading LED Display, Batteries and Carry Case Included : Health & Household
mr i explains: Measuring Blood Oxygen levels using Pulse Oximeters - YouTube
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MyGovIndia - 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 Press Information Bureau -