11.2 ECG Monitoring Procedure
11.2.1 Preparation
1. Skin preparation
The quality of ECG waveform displayed on the monitor is a direct result of the quality of the
electrical signal received at the crocodile clip. Proper skin preparation is necessary for good
signal quality at the crocodile clip. A good signal at the crocodile clip provides the monitor
with valid information for processing the ECG data. To ensure enough electrolyte material on
the skin of patients, you need to moisten the lead sites with 70% isopropyl alcohol. This will
usually be sufficient for the ECG monitoring for a short time (30 to 60 minutes).
2.
Attach the ECG leadwires to the crocodile clips prior to placement.
3.
Place the crocodile clips to the patient in accordance with 11.2.2Lead Placement.
4.
Connect the ECG leadwires to the patient cable.
5.
Make sure the monitor is turned on and is ready for monitoring.
11.2.2 Lead Placement
WARNING
•
Use only the specified ECG cable for monitoring.
•
When applying connecting cables, make sure they are not connected to any
conductive part or the ground.
•
Skin irritation may result from the continuous application of the crocodile clips.
If there is an indication of excess skin irritation, change the sites of the crocodile
clips or stop the monitoring.
•
Do not touch the patient, bed or instrument during defibrillation.
•
When applying the ECG cable with no resistance to our patient monitor or
other patient monitor that has no current limit resistance in it, the monitor
cannot be applied to defibrillation.
•
Interference from a non-grounded instrument near the patient and ESU
interference can cause inaccuracy of the ECG waveform.
•
Verify the lead fault detection prior to the start of monitoring. Unplug the ECG
cable from the ECG connector and the screen should display the error message
“ECG LEAD OFF” and an audible alarm should be activated.
11-4
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