With Masimo rainbow ® Pulse CO-Oximetry sensors connected to rainbow ®-enabled devices, clinicians can noninvasively monitor total hemoglobin (SpHb ®), carboxyhemoglobin (SpCO ®), methemoglobin (SpMet ®), and oxygen content (SpOC™) in addition to oxygen saturation (SpO 2), pulse rate (PR), perfusion index (Pi), and pleth variability ...