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Monitoring and Measurements
Masimo settings
When the monitor has a Masimo module installed, the following settings are additionally
available:
Note
Parameter
Display Signal IQ (SIQ)
Waveform
Display Perfusion Index (PI)
Averaging Time
Sensitivity
Fast SAT
1.
2.
The extra settings for masimo modules are only available when Masimo settings
enabled in the parameter settings (see
1
2
It is necessary to reboot the device after changing this setting.
It is necessary to reboot the device after changing this setting.
"Defining parameter fields"
Description
On, Off. This value shows the acquired signal quality and timing of
the pulse relative to the plethysmograph. A vertical line is displayed
corresponding with the pulse beep: a tall vertical line indicates a
high quality signal, a small line indicates a low quality signal.
On, Off. The perfusion index indicates the percentage of pulsatile to
non-pulsatile signal. The range of signal strength is 0.02 to 20%. A
value of 0 indicates that no measurement is available. This setting
allows clinicians to place sensors on optimal sites and can also be
used as a troubleshooting tool.
2, 4, 8, 10, 12, 14, 16. Averaging time in seconds. It is recommended
that the default of 8 seconds is suitable for most applications.
Normal, Max, APOD. The normal mode provides the best
combination of sensitivity and probe off detection performance. This
mode is recommended for the majority of patients.
The max mode can be used where obtaining a reading is most
difficult and the signal may be very weak.
The adaptive probe off detection (APOD) mode is the least
sensitive in picking up a reading on patients with low perfusion but
has the best detection for off-probe conditions. This mode can be
used for patients that are at particular risk of the sensor becoming
detached (pediatric, combative, etc).
Off, on. Fast SAT mode enables rapid tracking of arterial oxygen
saturation changes by minimizing the averaging. This mode is
clinically applicable during procedures when detecting rapid
changes in oxygen saturation is paramount such as induction,
intubation and sleep studies.
Fast SAT is always on when averaging time (above) is set to 2 or 4.
Welch Allyn 1500 Patient Monitor
on page 25).
SIQ values
PI value
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