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 ...
With its second wave, COVID-19 is hitting us harder than before. In a new peak, India on Saturday recorded over 3.5 lakh new cases of the novel coronavirus, along with many deaths. One of the common ...