Given the rising number of COVID 19 cases in the country, there has been a surging demand for a pulse oximeter. Pulse oximeters are medical devices that monitor the oxygen level of a patient's blood ...

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Normal blood oxygen level is either 95%-100% SpO2 on an oximeter or 80-100 mm Hg from an ABG test. ABG tests are more accurate than pulse oximeters, which have a ...