Ecg - GE B30 Technical Reference Manual

B30 Patient Monitor

3.3 ECG

Problem
HR numerical display
shows '---'
Unacceptable ECG
waveform
No ECG trace
Noise-message
4-14
.
Document no 2044677-001
Cause
No heart rate available.
Poor electrode or poor electrode skin
contact.
Poor electrode condition.
Improper site of electrodes.
Improper skin preparation.
Improper bandwidth filter.
Faulty/ dirty ECG cable.
Waveform not selected on screen.
Module not plugged in correctly.
High frequency or 50/60 Hz noise.
What to do
If no ECG waveform, check LEADS OFF
message and connect the leads.
If ECG waveform exists, check heart rate
source e.g. in the ECG Setup menu behind
ECG key.
Electrodes from different manufacturers
are used. /Too much/little gel is used.
Electrodes are dried out.
Check that electrodes are not placed over
bones, active muscles, or layers of fat.
Remove body hair. Clean attachment site
carefully with alcohol.
Check filter.
Change new cable.
Monitor Setup
Press the
adjustments.
Plug in.
Isolate noise source.
key and make