sat801+ Pulse Oximeter
Assembly
17
What is signal IQ™?
Signal-IQ™ is a measurement for Signal-Identification and Signal-Quality. Masimo
developed this indicator to give the user information when a measurement is questionable.
Signal-IQ™ is a visual reliability indicator for the oxygen saturation and pulse frequency
measurements.
The more difficult it is to detect an arterial pulse signal the lower the presented IQ-bar. The
Signal-IQ-figure is particularly valuable with movement, weak circulation, or environmental
influences.
What is the Perfusion-Index?
The Perfusion-Index is a measurement for pulse strength at the point of sensor
measurement. The Perfusion-Index varies from 0.02% (very weak pulse strength) to 20%
(very strong pulse signal). The Perfusion-Index is calculated from the reflected infrared
portion. The Perfusion-Index is a relative measurement and can vary at each application
point and with different patients.
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