8-6 Dash™ 3000/4000/5000 2000966-386D
Monitoring ECG
NOTE
Users should be aware of a possible time discrepancy between the waveforms
from the telemetry device and the waveforms from the monitor. Users should not
consider these waveforms to be synchronous. If absolute synchronicity is desired,
COMBO mode should be discontinued and the ECG waveforms should be
acquired via the hard-wired monitor.
Analog Output
The ECG analog output includes the top trace position lead and augmented leads. It
provides the following signals:
A five-volt, two-millisecond artificial pacer spike to the analog output when
pacemaker detection is on and detection occurs.
A defibrillator synchronization marker to determine the peak of the R wave.
In the event of a lead failure, the following output occurs:
NOTE
In a single lead mode, if the lead is not available, a buzz signal occurs. The buzz
signal can be either a zero volt flat-line or a 60 Hz sine wave. The buzz signal
option is set in the SERVICE MODE > CALIBRATE > CAL ECG ANALOG
OUT. For more information, refer to the service manual.
Additional Information
The GE “Critical Care Monitoring Clinical Reference and Troubleshooting Guide”
provides the following information:
Skin preparation.
Electrode placement.
Pacemaker detection.
Arrhythmia detection and analysis.
Clinical-level troubleshooting.
Lead Failed
ECG Analog Output
1
1
All ECG outputs are one volt per millivolt of input.
Right arm Lead III
Left arm Lead II
Chest Lead II
Right leg buzz
Left leg Lead I
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