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Chapter 9: SpO2 & Rainbow Parameters Monitoring
9.1 GENERAL
SpO2 Rainbow module is the only technology which measures multiple blood parameters as well
as common pulse oximetry parameters (SpO2 and Pulse Rate) in a continuous and non-invasive
method that traditionally measured through the invasive and time-consuming methods. This
module is designed by Masimo Company and submitted to its approved companies.
Measurable physiological parameters by Masimo Rainbow module
SpO2
Pulse Rate
Perfusion Index (PI)
and optional parameters such as:
SpHb
SpOC
SpCo
SpMet
Pleth Variability Index (PVI)
% SpO2
Extent of oxygen saturation in hemoglobin of arterial blood can be detected from the SpO2
waveform. For example, if 97% hemoglobin molecules in the red blood cells of the arterial blood
combine with oxygen, then the blood has an oxygen saturation of 97%. The SpO2 value on the
monitor will be 97%. The SpO2 value shows the percentage of hemoglobin molecules which
have combined with oxygen molecules to form oxyhemoglobin.
O
Hb
2
SPO
2
O
Hb
HHb
2
9-2
User Manual
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