Pulse oximetry is a noninvasive, painless test that measures the oxygen saturation level of your blood. Here’s how it works ...

2 ) Pulse oximeters have many uses, including monitoring the health of individuals with respiratory conditions or lung ...

Many children with medical conditions, especially respiratory conditions such as asthma, use a consumer-grade pulse oximeter at home.

The data also showed that 10.2% of Black patients had pulse oximeter readings at least 15 percentage points higher than their blood gas readings, compared with 7.3% of White patients. “Broadly, what ...