A pulse CO-oximeter is a non-invasive, multi-wavelength instrument that measures the oxygen carrying state of hemoglobin in a blood specimen, including oxygen-carrying hemoglobin (O2Hb), non-oxygen-carrying but normal hemoglobin (HHb) as well as the dyshemoglobins such as carboxyhemoglobin (COHb) and methemoglobin (MetHb). Pulse CO-oximeters use four or more wavelengths whereas the common pulse oxymeter uses only two.
A pulse CO-oximeter is a non-invasive, multi-wavelength instrument that measures the oxygen carrying state of hemoglobin in a blood specimen, including oxygen-carrying hemoglobin (O2Hb), non-oxygen-carrying but normal hemoglobin (HHb) as well as the dyshemoglobins such as carboxyhemoglobin (COHb) and methemoglobin (MetHb). Pulse CO-oximeters use four or more wavelengths whereas the common pulse oxymeter uses only two.
Source: Wikipedia "CO-oximeter" · CC BY-SA 4.0
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