SPO2 Waveform and VS Box
The SpO2 measurements are displayed as a waveform in the VS trace area of the screen and as
numeric information in the SPO2 VS box. Other data, including SpO2‐related alarm information,
are also provided in this area of the screen, as detailed below.
6‐8 Monitoring SPO2 Expression MR400 Instructions for Use
Select the Patient Type.
See Selecting the Patient Type on page 3‐11.
Check for any displayed SPO2
If a message is present, follow the recommended action to achieve
better results (see page 4‐26).
Place the module as close as possible to the bore opening. (If the
module can be placed outside the bore, positioning at the iso‐
center is not necessary.)
Keep the SpO2 probe and module outside the MR system bore.
Place the module on a cushioned surface.
Cover the patient SpO2 attachment site with opaque material.
During measurement, check the patient to ensure that the
application site has a pulsatile flow and that the site has not
changed in thickness (for example, due to edema) causing an