The normal perfusion index (PI) ranges from 0.02% to 20% showing weak to strong pulse strength. How accurate is it? You can never say that your oximeter is 100% accurate.

Overall, among those with normal perfusion, Masimo’s devices returned blood oxygen readings that differed from the comparative arterial blood gas measurements by an average of just 0.18%.

Masimo announced that in a new clinical study, its Oxygen Reserve Index™ helped clinicians in the early identification of impending desaturation in pe ...

A study found abnormal lung perfusion in long-COVID patients with normal CT scans, highlighting pulmonary vascular issues. At ERS 2024, researchers call for further investigation into the condition.

IRVINE, Calif., Dec. 17 Masimo (Nasdaq: MASI), the inventor of Pulse CO-Oximetry (TM) and Measure-Through Motion and Low Perfusion pulse oximetry, today announced that new research findings ...