18 Monitoring BIS
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Monitoring BIS Using the DSC and BIS Engine
1 If you are monitoring BIS with the DSC and BIS engine,
a. Connect the BIS engine to the BIS module using the BIS Engine Cable.
b. Connect the digital signal converter (DSC) to the digital signal converter port on the front of
the BIS Engine. Use the attachment clip to secure the digital signal converter near, but not
above the patient's head.
c. Attach the patient interface cable (PIC) to the digital signal converter (DSC).
2 Attach the BIS sensor to the patient following the instructions supplied with the sensor.
Make sure that the patient's skin is dry. Be aware that a wet sensor or a salt bridge may cause
erroneous BIS and impedance values.
A variety of sensors are available for use in the OR and ICU environments: see the chapter on
accessories for information.
3 Connect the BIS sensor to the patient interface cable.
As soon as a valid sensor is detected, the impedances of all electrodes are measured automatically
and the results are shown in the BIS window.
1 BIS Engine Cable
2 BIS Module
3 Aspect BIS Engine 185-0111
4 Aspect Digital Signal Converter
185-0124
5 Aspect Patient Interface Cable
186-0131
6 Aspect BIS Sensor
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