Operator's Manual

Table Of Contents
Alarms and Messages
BIS™ Advance Monitor
4.3.2. Alarms
The monitor’s alarm messages are listed in Table 12. Alarm Messages, below. All alarms
listed in this table are Periodic and Non-latching.
Table 12. Alarm Messages
Alarm Message Possible Causes Corrective Actions
Alarm
Priority
BIS ALARM
BIS below
defined range
The BIS has fallen
below the target
range set by the
user.
1. Check patient.
2. Take note of BIS limit set
by user.
HIGH
BIS ALARM
BIS above
defined range
The BIS has risen
above the target
range set by the
user.
1. Check patient.
2. Take note of BIS limit set
by user.
HIGH
ISOELECTRIC EEG
No discernible EEG
activity is detected
for sixty-three
seconds; SR = 100.
Note: This
message notifies
user of a flatline
EEG. This is a
normal condition
when sensor
simulator is
connected.
If unintended:
1. Check patient vital signs,
dosage, etc.
2. Check leads for proper
connection and possible
shorts.
3. Verify Sensor Check
passes.
4. Verify DSC Self-test
passes.
5. Verify PIC, using the
sensor simulator and
Sensor Check.
HIGH
LEFT
ISOELECTRIC EEG
No discernible EEG
activity is detected
for sixty-three
seconds; SR = 100.
Note: This
message notifies
If unintended:
1. Check patient vital signs,
dosage, etc.
HIGH