20
F (LL) connect left leg
3.2.2 Chest Electrodes Connection
Clean the skin where electrodes will be
connected with alcohol; Apply about 25mm
diameter electrode gel on the skin where the
electrodes contacted; Apply a small amount of
electrode gel on the edge of the sucker ball of
the chest electrodes; Press the suction ball of the chest electrodes; attach them to C1-C6.
The connection is shown in the following figure
C1 (V1): Fourth inter-costal space at right border of the sternum.
C2 (V2): Fourth inter-costal space at left border of the sternum.
C3 (V3): Midway between locations C2 and C4.
C4 (V4): Mid-clavicular line in the fifth inter-costal space.
C5 (V5): Left anterior axillary line on the same horizontal level as V4.
C6 (V6): Left mid-axillary line on the same horizontal level as V4.
Electrode gel coating should to be separated from each other. Chest electrodes should not
touch with each other to avoid short circuit. If no electrode gel is available, apply a small
amount of 75% alcohol instead .Place the electrodes right away to make sure it is
adequately wet at the contact area. Do not use physiological saline to replace electrode gel.
Otherwise, it will cause electrode corrosion.
3.2.3 Electrode Identification and Connection Color Table:
Electrode Position Electrode identifier
Lead wire color
Electrode
color code
Right arm
R Grey
Red
Left arm
L Grey
Yellow
Right foot
RF Grey
Black
Left foot
F
Grey
Green
C1 White
Red
Chest
C2 White
Yellow
Summary of Contents for EM-1203
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