BeneVision N1 Patient Monitor Operator’s Manual
11 - 5
fluctuation, the monitor integrates the number of SpO
2
points, both positive and negative, until either the Sat-
Seconds limit is reached, or the patient SpO
2
re-enters the non-alarm range and remains there.
NOTE
•
The SpO
2
Too Low or SpO
2
Too High alarm is presented in the case that SpO
2
value violates the alarm
limits for 3 times within one minute even if the setting of Sat-Seconds is not reached.
11.6.3
Setting the Nellcor SpO
2
Sat-Seconds
To set the Sat-Seconds, follow this procedure:
1.
Select the SpO
2
numeric area or waveform area to enter the
SpO2
menu.
2.
Select the
Alarm
tab.
3.
Set
Sat-Seconds
.
11.6.4
Setting SpO
2
Sensitivity (for Masimo SpO
2
Module)
For Masimo SpO
2
module, selects the
Sensitivity
as per signal quality and patient motion.
Normal Sensitivity is the recommended for patients who are experiencing some compromise in blood flow or
perfusion. It is advisable for care areas where patients are observed frequently, such as the intensive care unit
(ICU).
Adaptive Probe Off Detection (APOD) Sensitivity is the recommended sensitivity mode where there is a high
probability of the sensor becoming detached. It is also the suggested mode for care areas where patients are not
visually monitored continuously. This mode delivers enhanced protection against erroneous pulse rate and
arterial oxygen saturation readings when a sensor becomes inadvertently detached from a patient due to
excessive movement.
Maximum Sensitivity is recommended for use on patients with weak signals (e.g. high ambient noise and/or
patients with very low perfusion) and for use during procedures or when clinician and patient contact is
continuous such as in higher acuity settings.
To set SpO
2
sensitivity, follow this procedure:
1.
Select the SpO
2
numeric area or waveform area to enter the
SpO2
menu.
2.
Select the
SpO2 Setup
tab.
3.
Set
Sensitivity
.
CAUTION
•
When using the Maximum Sensitivity setting, performance of "Sensor Off" detection may be
compromised. If the equipment and the sensor becomes detached from the patient, the potential
for false readings may occur due to environmental noise such as light, vibration, and excessive air
movement.
11.6.5
Enabling FastSAT (for Masimo SpO
2
)
FastSAT enables rapid tracking of arterial oxygen saturation changes as may be required in urgent situations.
When FastSAT is switched on, the averaging algorithm evaluates all the SpO
2
values and provides an averaged
SpO
2
value that is a better representation of the patient’s current oxygen saturation status.
The reliability of FastSAT is dependent on the setting for the averaging time and the input signal. FastSAT is
disabled by default. To enable FastSAT, follow this procedure:
1.
Select the SpO
2
numeric area or waveform area to enter the
SpO2
menu.
2.
Select the
Setup
tab.
3.
Switch on
FastSAT
.
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