V Series Operating Instructions 9 - 27
ECG – Arrhythmia Arrhythmia Alarms
9.7.1.3 Ventricular Tachycardia (V-Tach) Alarm
A V-Tach alarm is activated when the following conditions are met:
• The V-Tach rate is between 100 to 180 or more beats per minute.
AND
• The V-Tach lethal arrhythmia alarm is activated when the configured number of consecutive
PVCs is reached. The range for the V-Tach threshold is 3 to 15 beats per minute.
A V-Tach alarm is a high level alarm that produces:
• High level visual and audio alarm indicators.
•A Ventricular Tachycardia text message above the primary waveform area.
WARNING: PATIENTS WITH A PACEMAKER – On ventricular paced patients,
episodes of Ventricular Tachycardia may not always be detected. Do
not rely entirely upon the system’s automated arrhythmia detection
algorithm. Keep pacemaker patients under close surveillance.
9.7.2 Non-Lethal Arrhythmia Alarms
A Non-Lethal Arrhythmia is an arrhythmia that is most likely not life threatening to a patient. The
following are classified as non-lethal arrhythmia alarms:
• Bigeminy
• QTc
• Couplet
• Irregular HR
• Pause
• Multiform PVC
• PVCs/Minute
• Pauses/Minute
• Run
• Trigeminy
• Ventricular Rhythm (V-Rhythm)
• R-On-T PVC
NOTE: Non-lethal arrhythmia alarms are not latched alarms and can be
acknowledged at any time. To acknowledge a non-lethal arrhythmia
alarm, press the ALARM ACKNOWLEDGE or AUDIO PAUSE key in the
Navigation Area.
9.7.2.1 Bigeminy
The Bigeminy alarm is activated when three or more cycles of one PVC coupled to one normal beat
are detected.
The Bigeminy default alarm is a Low level alarm event that produces:
• Low level visual and audio alarm indicators.
•A Bigeminy text message above the primary waveform area.
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