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DUOLTER - TRIOLTER
Preparing for the Procedure
6.6.2. Placing the ECG electrodes on the patient
When ECG recording, or blood pressure alone with ECG correlation, is
programmed, follow the instructions below for placing the ECG electrodes on the
patient.
6.6.2.1. Preparation
The reliability of ECG recording means that quality of recorded signal mainly
depends on each part of the recording elements: electrode-skin contact, type of
electrodes, condition of contacts and connectors.
The patient’s skin must be perfectly dry and cleaned (preferably dry cleaned with
special scraper) before putting the electrodes in place.
Long term monitoring electrodes, generally specified for Holter monitoring, must
be used and manufacturer recommendations must be carefully followed.
Diagrams collected with inappropriate electrodes:
The impedance between electrode and skin decreases a few minutes after the
electrodes are placed on the patient.
So it is recommended to place the electrodes on the patient before preparing the
Vista, because the lower the impedance the better the signal quality.
The following sketch shows a possible way to place the electrodes on the patient.
The colours given to the electrodes are those of the connectors of the 5 wire ECG
cable supplied by Novacor.
User Manuel 12 GB – 17 December 2003
page 36