3
Prepare Patient for Testing
3.1
ENG – Apply Electrodes
The ENG system records 2 or 4 channels of eye movement information. Channel designations relate to electrode place-
ment both on the face and in the electrode patient cable.
A. Place electrodes on the patient as needed for 2 or 4 channel collection.
Channel
Electrode cable
Connections
Normal Electrode Placement (4 channels)
Horizontal both (HB)
red – blue
Vertical right (VR)
orange – white
Vertical left (VL)
orange – white
Horizontal right (HR)
red – black
Horizontal left (HL)
blue – black
Note
•
For 2 channel recordings, use the green and brown openings on the patient cable for the vertical chan-
nel. The green and brown electrodes can be placed above and below the right or left eye.
B. Connect the electrode leads to the designated color on the patient cable.
C. Go to
Step 12 ENG – Check Electrodes
Otometrics - ICS Chartr 200 VNG/ENG
15
3 Prepare Patient for Testing