In this hospital, pulse oximeters went from overestimating to underestimating blood oxygen. Why?
Researchers found pulse oximeters went from overestimating blood oxygen levels to underestimating them; inaccuracies were worse in patients of color.
<p>Researchers found pulse oximeters went from overestimating blood oxygen levels to underestimating them; inaccuracies were worse in patients of color.</p>