8-20 Passport 12/Passport 8 Operator’s Manual
8.8.2 Changing Arrhythmia Alarm Settings
To change arrhythmia alarm settings, select the ECG parameter area or waveform area →[ECG Setup]→ [Arrh.
Analysis >>]. In the pop-up menu, you can set the [Alm Lev] to [High], [Med], [Low] or [Message], or switch on lethal
arrhythmia analysis alarms only or switch on/off all arrhythmia analysis alarms. In the [Alarm Setup] menu from the
[User Maintenance] menu, you can enable/disable turning off lethal arrhythmia analysis alarms.
WARNING
If you switch off all arrhythmia analysis alarms, the monitor cannot give any arrhythmia analysis alarm.
Always keep the patient under close surveillance.
NOTE
The priority of lethal arrhythmia alarms is always high. It is unchangeable.
8.8.3 Changing Arrhythmia Threshold Settings
Select the ECG parameter window or waveform area→[Arrh. Analysis >>]→[Arrh. Threshold], and you can then
change threshold settings for some arrhythmia alarms. When an arrhythmia violates its threshold, an alarm will be
triggered. The asystole delay time relates to ECG relearning. When HR is less than 30 bpm, it is recommended to set the
asystole delay time to 10 seconds.
Mortara ECG algorithm
Arrh. event Range Default Step Unit
PVCs High 1 to 100 10 1 /min
Asys. Delay 2 to 10 5 1 s
Vtac Rate 100 to 200 130 5 bpm
Vtac PVC 3 to 12 6 1 beats
Multif. PVC 3 to 31 15 1 beats
Tachy High
Adult: 100 to 300
Pediatric: 160 to 300
Adult: 100
Pediatric: 160
5 bpm
Brady Low
Adult: 15 to 60
Pediatric: 15 to 80
Adult: 60
Pediatric: 80
5 bpm
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