IRVINE, Calif., March 19 /PRNewswire-FirstCall/ -- Masimo, the inventor of Pulse CO-Oximetry and Measure-Through-Motion & Low Perfusion Pulse Oximetry, reported that a new clinical study, recently published in the Journal of Emergency Medicine, found the Masimo Rainbow SET Rad-57 Pulse CO-Oximeter to be "a safe, easily applied tool at triage that can identify cases of unsuspected elevated levels of carbon monoxide (CO) poisoning" that would otherwise have gone undetected.