16 Monitoring Intravascular Oxygen Saturation
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Do not use probes/catheters when they, or the packaging, are damaged.
Always select the correct label for the measurement location and the catheter/probe in use. This is
especially important when Protocol Watch is in use, to ensure that the correct limits are used for the
criteria applied.
CAUTION
Use the modules with Philips approved accessories only. Refer to the instructions for use provided
with the accessory.
Selecting a Measurement Label
Always select a measurement label before inserting a catheter/probe.
Use the SvO
2
label when the catheter/probe will be located in the pulmonary artery (measuring mixed
venous oxygen saturation). This is the only label which allows the measurement value to be used to
calculate oxygen extraction (see “Calculating Oxygen Extraction” on page 245) and in the standard
oxygen calculations.
Use the ScvO
2
label when the catheter/probe will be located in a central vein (measuring central
venous oxygen saturation.
Use the SO
2
label in all other cases.
To select a measurement label:
1 Select Main Setup then Measurements followed by <SO₂ Label>
2 Select Label.
3 Select the appropriate label for the catheter/probe location.
Preparing to Monitor with the M1021A Wide
Module
In addition to the measurement module, you need a Hospira OptiCath catheter, and 50131 Optical
Module. Use only the Hospira accessories listed in the Accessories section.
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