The last time you were in the emergency room after a horrible accident involving a PVC pressure vessel, a nurse probably clipped a device called a pulse oximeter ... his sensor circuit to the ...

A pulse oximeter is a small device that can measure ... with 100% being 'fully saturated' and the optimal level. And while this simple non-invasive medical tool is available over the counter ...

So as discussion about how medical devices called pulse oximeters—the plastic hinges that clamp onto your finger to measure the oxygen content of your blood—don’t work as well for Black ...