Respiration VS Box
Depending upon the Source selection, respiration measurements are displayed as numeric
information in the RESP VS box. Other data, including respiration‐related alarm information, are
also provided in this area of the screen, as detailed below.
Expression MR400 Instructions for Use Monitoring RESP 10‐3
Check the network channel indicator on the wSpO2 module to
ensure communication is established with the MR400:
• Steady = Good communication; proceed to step 7.
• Flashing = No communication; proceed to step 6.
See page 2‐11 for details. (Also, you can reference the status
information pane; see page 2‐16.)
Ensure that the wSpO2 module is within 9.1 m (30 feet) of the
MR400, in the same MRI room or in the same shielded room, and is
set to the same wireless network channel used by the MR400; see
Select the Patient Type.
See Selecting the Patient Type on page 3‐11.
Ensure that the parameter is working by checking the displayed
respiratory numeric in the VS box.
Position the patient in the MR
system, keeping the wSpO2
module outside the MR
system bore. Ensure that the
flexible hose is routed away
from any moving parts so that
it does not get caught in the
mechanisms (for example,
between the tabletop and the
Place the wSpO2 module on a cushioned surface to minimize MR