CO2 Waveform and VS Box
numeric information in the CO2 VS box. Other data, including CO2‐related alarm information, are
Expression MR400 Instructions for Use
Place the airway adapter at the proximal end of the airway circuit.
Always insert the patient sampling line into the CO2 port before
inserting the airway adapter into the breathing circuit. Failure to
follow this may introduce a leak in the circuit, thereby reducing set
Do not place the airway adapter between the ET tube and the elbow
as this may allow patient secretions to accumulate in the adapter. If
pooling does occur, replace the airway adapter. To prevent moisture
from draining into the airway adapter, always place the adapter
tubing in a up position, as shown above.
Select the Patient Type.
See Selecting the Patient Type on page 3‐11.
Check that the connections have been made correctly by verifying
the patient's breathing efforts with the displayed waveform.
If the following warning is displayed:
Clear any pinches or obstructions in the sampling line before
measurement is displayed as a waveform in the VS trace area of the screen and as
Before completion of patient setup, ensure that the
patient's breathing efforts coincide with the displayed
Persistent CO2 occlusion detected.
Please clear occlusion and press OK
to resume using CO2
Monitoring CO2 (LoFlo Option) 7‐7