ECG MONITORING
24 Model 3000T Operation Manual
Low Signal Message
If the amplitude of the ECG signal is between 300µV and 500µV (3-5mm of amplitude at size 10mm/mv) for a
period of eight seconds a LOW SIGNAL message will be displayed in yellow below the ECG waveform.
If the trigger function appears to be erratic while the message is displayed verify the following:
Select lead with the highest amplitude, typically Lead II.
The proper placement of the ECG electrodes. The ECG electrodes may need to be repositioned.
The ECG electrodes still have moist conductive gel.
ECG Notch Filter
Use the following procedure to activate the Notch filter:
1. Press the [SETUP] key from the main menu.
2. Press the [ECG] key and select the [OPTIONS] key.
3. Select [NOTCH FILTER] to turn the filter on or off. When the filter is on, the “FILT” indicator is shown in the
upper left portion of the display. The filter sets the frequency response of the displayed waveform as follows:
Filtered: 3.0 to 25 Hz
Unfiltered: 0.2 to 100 Hz
STBY
ON
ON
ECG
150
HR
I-FILT
60 - 160
REC: DIRECT
18-JUL-2002
11 :40
20 MM/MV
80
I-FILT
REC: DIRECT
20 MM/MV
11:40
RA LA LL
9K 10k 12k
XRAY OFF
Cardia c Trigger Monitor 3150
PATIENT ID 858745
PACER DETECT
DI SABLED
4. Press [EXIT] to return to the main menu.
Cardiac Trigger Monitor 3000T
XRAY ON
IMPEDANCE
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