
16-1
16 Anesthesia Gas Monitoring
16.1 Overview
The anesthesia gas (AG) monitoring can be used for measuring the anesthesia gas and respiration
gas of the patient in the anesthetic status. This monitor can configure AION 02 AG module or
AION 03 AG module. AG module provides the end-tidal numerics and inhaling numerics of the
gases mentioned below.
Carbon dioxide (CO2): The measured numeric is EtCO2 (Max. exhaling value: Max.
exhaling numeric detected during the respiration).
Nitrous oxide (N2O): Laughing gas.
Oxygen (O2): Optional function.
Anesthetic (AA): Refers to the monitored anesthetic (DES, ISO, ENF, SEV or HAL).
Airway respiration rate (AwRR): respiration per minute (BrPM).
The patient monitor can display simultaneously a maximum of 4 waveforms, including the CO2
waveform (default waveform), N2O waveform, O2 waveform and the anesthetic (ENF:
Enflurane) waveform.
Figure 16-1 AG waveform
In addition, the patient monitor can display parameters, including CO2, N2O, O2 and AA (Which
refers to the monitored anesthetic: DES, ISO, ENF, SEV or HAL). It also displays the inhaling
and exhaling numerics as well as MAC (Minimum Alveolar Concentration)/MAL (balance gas)
and AwRR.
When the O2 module is not connected, no O2 waveform will be displayed. After the O2 module
is connected, whether the O2 waveform is displayed depends on whether the O2 waveform is
switched on in the configuration. If there are too many waveforms to be displayed, the O2
waveform will probably not be displayed.
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