Operation Preparation
3-7
The limb electrodes are placed above the wrist joint of the forearm and above the
inner side of the ankle joint of the lower leg, on those parts the electrodes and skin
contact tightly.
Connect the limb electrodes:
1) Check that the electrodes are clean;
2) Align all lead wires and connect the electrode connectors to electrode
well;
3) Clean electrode area on limb surface with alcohol;
4) Daub conductive gel on the skin evenly;
5) Daub a thin layer of conductive gel on the surface of the limb electrode
6) Connect the electrodes to skin surface correctly.
3.4.2 Positions of Chest Electrodes
1) Chest Electrode:
Figure 3-5 chest electrodes
2) Chest electrodes connection:
As the following figure shows, the chest electrodes’ position on body surface is
C1: Fourth intercostals space at right border of sternum
C2: Fourth intercostals space at left border of sternum
C3: Middle of C2 and C4
C4: Fifth intercostals space on left midclavicular line
C5: Left anterior axillary line at the horizontal level of C4
C6: Left midaxillary line at the horizontal level of C4
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