GENERAL ETCO2/GAS ANALYSIS PRECAUTIONS
VF8 DELTA/DELTA XL/KAPPA 19-5
WARNING:
Occupational safety: Used sampling tubing, T-
connectors, and water traps could be contaminated and
must be handled and disposed of with care. Infection
hazard may be present. Dispose of these items in
accordance with local regulations.
Optimize response time by reducing dead space and by
keeping sampling tubing as short as possible without
stretching it. Long sampling lines may decrease
accuracy and cause slower response times for side-
stream measurement technologies.
When using a sampling line for intubated patients with
a closed suction system, do not place the airway
adapter between the suction catheter and endotracheal
tube. This is to make sure that the airway adapter does
not interfere with the functioning of the suction
catheter.
CAUTION:
Leaks in the breathing circuit (for example, an uncuffed endotracheal tube or a
damaged airway adapter) may significantly affect CO
2
and respiratory
mechanics measurement values (for example, airway pressure, flow, dead
space, and CO
2
production).
Calibrate the sensor when you switch sensor types (for example, from adult to
neonatal).
To prevent damage to sensor windows, remove the airway adapter from the
circuit whenever aerosolized medication is being delivered.
To prevent leakage, make sure the airway adapter is firmly connected to the
breathing circuit.
Cutting or removing any part of the sample line could compromise
measurement accuracy.
In high-altitude environments, etCO
2
values may be lower than values observed
at sea level, as described by Dalton's law of partial pressures. When using the
monitor in high-altitude environments, it is advisable to adjust etCO
2
alarm
settings accordingly.
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