Patient Monitor User Manual Monitoring AG
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CAUTION
1 The IRMA airway adapters are non-sterile devices. Do not autoclave the devices as
this will damage them.
2 Never immerse the IRMA probe in liquid.
17.3.3.5 Maintenance
Gas readings should be verified at regular intervals with a reference instrument or by conducting
the gas check. The suggested interval is once every year.
17.3.3.6 MAC Calculation
The MAC value is calculated and displayed by using end-tidal (ET) gas concentrations according
to the following formula:
MAC=%ET (AA
1
)/X (AA
1
)+%ET(AA
2
)/X (AA
2
)+%ET (N
2
O)/100
X (AA): HAL=0.75%, ENF=1.7%, ISO=1.15%, SEV=2.05%, DES=6.0%
17.4 Setting Apnea Alarm Time
This determines the time limit after which the monitor gives an alarm if the patient stops
breathing.
1 Select the
CO
2
(AG) Setup > Apnea Alarm;
2 Choose the apnea alarm time from the pull-down list.
17.5 Working Status of ISA analyzer
Working status of the ISA analyzer can be indicated by the indicator. For the detailed information,
please refer to the following table.
Indication Status
Steady green light System OK
Blinking green light Zeroing in progress
Steady blue light Anesthetic agent present
Steady red light Sensor error
Blinking red light Check sampling line
17.6 Working Status of IRMA Module
The working status of the IRMA module can be transmitted by the IRMA probe. For the detailed
information, please refer to the following table.
Indication Status
Steady green light System OK