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ECG Messages
Note:
If "ECG" was set to "OFF" in the "SELECT MEASUREMENT SENSOR" settings when the
patient's information was entered (refer to page 34), ECG messages and the ECG wave will not
appear.
ECG messages are explained below. When "OK" is not displayed, measurement accuracy may be
reduced. Take corrective action according to the content of the message.
Messages
OK
ECG is stable.
Initializing
Initializing ECG.
The electrodes are dry or dirty.
The patient is tensing the arm, causing
myoelectric signal.
Unstable R-R
Noise from radio interference is
affecting the ECG waveform.
Only a weak signal can be obtained
from the wrist.
An ECG electrode is not inserted in an
ECG clip.
Check
The protective sheet is still affixed to
Electrodes
the ECG electrode.
An ECG cable is not connected.
Status
Corrective Action
Measurement can begin.
Have the patient remain quiet and wait briefly.
Replace with new electrodes (refer to page 44).
Have the patient relax the arm and rest quietly.
If a cell phone or other device is in use nearby,
move it farther away.
Try moving the ECG clip from the left wrist to the
instep of the left foot (secondary induction).
Make sure that three electrodes are properly
inserted (refer to page 44).
Remove the protective sheet from the ECG
electrode (refer to page 44).
Make sure that all ECG cables are securely
connected (refer to page 128).
2-2. Basic Measurement
49
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