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Chapter 9: SpO2 & Rainbow Parameters Monitoring
Pulse rate
PR indicates the Heart Rate per minute which SpO2 module extracts from the pulse oximetry
signal.
Perfusion Index
Perfusion index (PI) indicates arterial pulse signal strength as a ratio of pulsatile blood flow to
the non-pulsatile blood.
Perfusion Index enables you to choose the best position for sensor placement.
AC
PI =
x 100%
DC
SpHb
SpHb indicates the level of total hemoglobin in the arterial blood. The unit of measurement is
grams per decilitre (g/dL).
SpOC
SpOC indicates oxygen content in the blood. Neither SpO2 nor Hb parameter by itself can
indicate the actual amount of oxygen in the blood. A patient with normal SpO2 or Hb may have
low levels of oxygen. In fact, both SpO2 and Hb are considered by SpOC parameter. The unit of
PI definition
PI greater than 1% is preferable.
9-3
User Manual
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