Stuart Marshall is a councillor (non-executive director) for the Australian and New Zealand College of Anaesthetists (ANZCA) David A. Story is a councillor (non-executive director) for the Australian ...

What Is a Pulse Oximeter? A pulse oximeter, or pulse ox, is an electronic device that can be attached to your forehead, fingers, nose, foot, toes, or ears. A nurse or medical assistant usually clamps ...

A pulse oximeter is a small device that can measure the oxygen saturation in your blood. Pulse oximetry is useful for people with chronic lung or heart conditions, who need to monitor how well oxygen ...

Editors’ Note: On December 17, 2020, the New England Journal of Medicine published a research letter, “Racial Bias in Pulse Oximetry Measurement,” prompted by this essay. Read the medical study here ...