Dr Martin J Tobin discusses health disparities related to pulse oximeter accuracy and the need for improvement to make health care equitable.

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Problems with pulse oximeters have been known for decades, but it wasn’t until the pandemic that the real dangers to Black patients became clear.

Problems with pulse oximeters have been known for decades, but it wasn’t until the pandemic that the real dangers to Black patients became clear.

Inaccurate pulse oximeter readings are more common in Black patients than non-Black ones. It was a problem that could be ignored — until COVID-19 hit.