A retrospective analysis of over 7,000 patients with COVID-19 found that pulse oximeter devices — tools that measure oxygen levels in the blood and that are used in virtually every U.S. hospital — ...

A recent study found that a key tool for reading blood oxygen can give inaccurate readings for Black and Hispanic patients. Pulse oximeters are placed on a person’s finger and can help monitor how ...

The pulse oximeter is a device that estimates a person’s oxygen saturation level, a measure of the oxygen concentration in their blood, by shining light through their tissue, typically a fingertip or ...