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 ...

Another week, another disparity of care. In this case, it's attributable to a measure known to be flawed: pulse oximetry. Does the flaw lie solely in the tool – or how it is used? Let’s take a deeper ...