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Chapter 14: GAS Monitoring (Sidestream)
MAC = %ET (AA
)/X (AA
1
X(AA): HAL=0.75%, ENF=1.7%, ISO=1.15%, SEV=2.05%, DES=6.0%
NOTE:
The patient age as well as other individual factors is not taken into account in the
above described formula. ET gas concentrations for secondary agent (AA2) are only
available for ISA (Multi-gas) probe.
14.2 Nomoline Family sampling lines
ISA samples gas from the respiratory circuit through the Nomoline Family sampling line at a rate
of 50 sml/min, making measurements of CO
The Nomoline Family sampling lines incorporate a unique water separation (NO MOisture)
section, which removes condensed water. The NOMO section is also fitted with a bacteria filter
that protects the gas analyzer from water intrusion and cross contamination.
As long as no sampling line is connected, the ISA gas analyzer remains in a low-power sleep
mode. Once the sampling line is connected, the ISA gas analyzer switches to measuring mode
and starts delivering gas data.
The Nomoline Family sampling lines are available in a wide variety of versions for both
intubated and spontaneously breathing patients and in both disposable and re-sposable
configurations – intubated patients can for instance be monitored using the disposable Nomoline
Nasal CO
Cannula or a combination of the multiple patient use Nomoline Adapter and a
2
disposable Nomoline Nasal CO
The disposable Nomoline Airway Adapter Set is an alternative to using a combination of the multiple patient
use Nomoline Adapter and a disposable Nomoline Extension / T-adapter.
The Nomoline Adapter may be used with other third party sampling lines and cannulas. Please
however note that the Nomoline Family of sampling lines are designed for optimal performance
and measurement fidelity when used with the ISA gas analyzers. For instance, when connecting
to a respiratory circuit, the Masimo T-adapter provides a central gas sampling point thereby
minimizing the risk of sampling line occlusion (see below)
) + %ET (AA
)/X (AA
1
2
possible for adult, pediatric and infant patients.
2
Cannula with Luer Connector.
2
14-4
) + %ET (N2O)/100
2
User Manual
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