Normal blood oxygen level is either 95%-100% SpO2 on an oximeter or 80-100 mm Hg from an ABG test. ABG tests are more accurate than pulse oximeters, which have a ...

Pulse oximeters designed for home use have been available for some time. But in recent years, their popularity has grown as people increasingly prioritize wellness and actively seek convenient ways to ...

A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...

Dr. Takuo Aoyagi, a Japanese bioengineer, was the first to invent pulse oximetry in 1974. 2 The pulse oximeter is based on the light absorption characteristics of hemoglobin at different wavelengths.

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 ...