60
Note: the sign name and color of the electrode is American standard, what inside the
square brackets
[-] are European standard.
white electrode (RA) — Right foreleg
■ black electrode (LA)— Left foreleg
■ green electrode (RL)— Right hind leg.
■ red electrode (LL)—Left hind leg.
■brown electrode (V) — Fourth intercostal space.
Fig10-2 5-leads ECG Electrodes position
Caution
For patient safety, all the leads must be connected with patient body.
11.3.3 ECG lead connection recommended for surgery patients
Warning
When using ES equipments, users should put ECG electrodes at middle of the ES
earthing plate and ES knives to prevent from burns. Cables of ES equipments can not
be wrapped with ECG cables together.
Positioning of ECG leads is up to operation types, for example, for chest operation, electrodes can
be put on breast sides or back. Inside operation rooms using surgery electric knives, sometimes
artificial discrepancy may affect ECG waveforms; to reduce such artificial discrepancy, users may
put the electrodes at the left and right shoulders, near left and right abdomen, with breast lead at
left to the middle breast. No electrodes should be put on left arm; otherwise the ECG waveforms
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