A pulse oximeter is a device that clips on your finger, toe, or earlobe to measure blood oxygen saturation. Here's how it works and how to read it.

A dangerously low oxygen level—usually below 92%—can cause shortness of breath, confusion, chest pain, or fainting. It’s often triggered by lung or heart conditions like COPD, asthma, or heart ...

Elizabeth Cooney is a cardiovascular disease reporter at STAT, covering heart, stroke, and metabolic conditions. You can reach Liz on Signal at LizC.22. Oxygen is the breath of life, right? Because it ...

-One of healthcare’s most fundamental tools works less reliably for people with darker skin tones. - An Oakland clinic’s lawsuit is helping to change that in California. The pulse oximeter, a device ...

Dark green nail polish, resembling the colour of Christmas trees, can lead to inaccurate readings in emergency and intensive care settings, according to a case study described by British intensive ...

The doctors and nurses didn’t believe Tomisa Starr was having trouble breathing. Two years ago, Starr, 61, of Sacramento, California, was in the hospital for a spike in her blood pressure. She has ...

On November 1, 2023, a contingent of 25 US state attorneys general wrote to the commissioner of the Food and Drug Administration (FDA) to encourage the agency “to act with urgency to address the ...