ECG Performance Product Specifications
29 - 26 V Series Operating Instructions
In compliance with the requirements in IEC60601-2-27:2011, the following method is used:
The average heart rate is calculated on the basis of the mean RR-interval of the last 16 beats, unless
the heart rate calculated using the last 4 beats is less than or equal to 48, then this rate is used. HR is
updated on the display every second.
46. Response to Irregular Rhythm
In compliance with the requirements in IEC60601-2-27:2011, the indicated heart rate after 20 seconds
of stabilization period is:
Ventricular bigeminy (3a): 80 BPM
Slow alternating ventricular bigeminy (3b): 60 BPM
Rapid alternating ventricular bigeminy (3c): 120 BPM
Bidirectional systoles (3d): 90 BPM
Accuracy for above is ± 3 BPM or ± 3%, whichever is greater.
47. Heart Rate Alarms
The 12 Lead ECG is equipped with High and Low heart rate alarms. Alarms can be triggered when
measured rate is equal to or greater/lesser than the alarm setting.
High Alarm Limits
Low Alarm Limits
48. QT Analysis
•Performance
The QT analysis is capable of providing QT/QTc in Adult and Pediatric patients.
• QT/QTc Alarms
The VPS is equipped with QTc High alarm, which is only for Adult and Pediatric patients. The
alarm is triggered when the current QTc value is equal to or greater than the alarm setting.
Adult: 50 to 300 BPM in steps of 1 BPM, default 150 BPM
Pediatric: 50 to 300 BPM in steps of 1 BPM, default 180 BPM
Neonate: 50 to 350 BPM in steps of 1 BPM, default 200 BPM
Adult: 25 to 200 BPM in steps of 1 BPM, default 50 BPM
Pediatric: 25 to 200 BPM in steps of 1 BPM, default 80 BPM
Neonate: 25 to 200 BPM in steps of 1 BPM, default 90 BPM
TABLE 29-24
QT Range 300 ms to 600 ms
QT Accuracy ±30 ms
QT Resolution 2 ms
QTc Range 300 ms to 600 ms
QTc Resolution 1 ms
QT-HR Range 43 bpm to 130 bpm
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