Experiments show that when carboxyhemoglobin (hemoglobin bound to carbon monoxide) is increased or total hemoglobin levels are decreased, the peripheral chemoreceptors do not respond.
According to Zoll Medical, Masimo Rainbow Set Pulse CO-Oximetry is the first-and-only technology platform capable of noninvasively and continuously measuring total hemoglobin, oxygen content, carboxyhemoglobin, methemoglobin, and pleth variability index, in addition to oxyhemoglobin, perfusion index and pulse rate.
Masimo Rainbow SET measures total hemoglobin and oxygen content (both pending FDA clearance), in addition to carboxyhemoglobin methemoglobin, pleth variability index, oxyhemoglobin, perfusion index (PI) and pulse rate.
Professor Atholl Johnston, a clinical pharmacologist, said Thursday he was suspicious of the consistency of the results reported by French investigators and the high level of carboxyhemoglobin in Paul's blood, which indicated an exposure to carbon monoxide.
As a matter of fact, the infant is exposed to a higher level of carboxyhemoglobin, the substance that depletes the oxygen in the body and has caused deaths to people who have inhaled too much carbon monoxide.
5 hr Phenol Urine 5 hr Carbon monoxide Carboxyhemoglobin Blood Short 5 hr Styrene Mandelic acid Urine 14 hr n-Hexane 2,5-Hexanedione Urine 18 hr Polycyclic Pyrenol Urine hydrocarbons 96 hr Perchloroethylene Perchloroethylene Blood and exhaled air Long 18 days Mercury Mercury Blood and urine 30 days Lead Lead Blood 100 days Cadmium Cadmium Blood Very long 2 years Hexachlorobenzene Hexachlorobenzene Serum 5 years Lead Lead Bones 7 years 2,3,7,8-TCDD 2,3,7,8-TCDD Blood > 10 years Cadmium Cadmium Urine 2,3,7,8-TCDD, 2,3,7,8-tetrachlorodibenzo-p-dioxin.
