Supplement – Infinity
®
Delta Series Software VF10.1 43
Supplement for Infinity Delta Series Software
Getting Started
Patient Preparation for Dräger Mainstream CO2 Monitoring
The following tips provide optimal monitoring results but must never replace hospital-approved practices
or manufacturer’s recommendations.
A default O
2 concentration of 21% (the percentage of oxygen in ambient air) for all CO2 measurements is
assumed. If the patient is receiving supplemental oxygen, N2O, or HeliOx, select the gas that is being
administered in the etCO2 parameter menu. Make sure to adjust the atmospheric pressure to the actual
value. Failure to compensate for supplemental gases results in inaccurate measurement values.
When switching cuvette types (from reusable to disposable or adult to pediatric, or vice versa), it is not
necessary to rezero a Dräger sensor. If the sensor window is clean and the correct sensor type is chosen
in the etCO2 parameter menu (under Cuvette Type), only zero a Dräger sensor when the measurement
value is suspect. Otherwise, perform zeroing once a day or when prompted to rezero.
Initialization
Upon start-up, the sensor goes through a warm-up period (status message CO2 Warming Up appears).
During this time (approximately 30 seconds), concentrations for CO
2 may not be available.
Device Conflicts
CO2 can be sourced from many devices.
When more than one source of CO2 is detected by Delta, a conflict occurs. Depending on the combination
of duplicate sources of CO2 or CO2*, Delta responds to the conflict with the Source dialog or with one of
the following two error messages:
– Duplicate Device Connected
– Disconnect Duplicate etCO2 Pods
CAUTION
Always use the mainstream CO2 measuring cuvettes with the windows in an upright position. Otherwise,
condensation deposits from the breathing system may collect, which could impair proper function.
CAUTION
The cuvette windows of the reusable cuvette have optical properties different from the cuvette windows
of the disposable cuvette. Therefore, select the cuvette type correctly; otherwise, the zero point shifts
by up to 8 mmHg CO2 (1.1 kPa CO2).
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