Philips V24CT User's Reference Manual page 152

Using Philips Patient Care System with an Arrhythmia Computer
Message
** R-ON-T PVCs
** VENT BIGEMINY
** VENT TRIGEMINY
** PVCs > xxx/MIN
** MULTIFORM PVCs
** HR yyy > xxx
** HR yyy < xxx
** IRREGULAR HR
4-14 Other Patients
Minimum Condition Requiring an Alarm
For HR <100, a PVC with R-R interval <1/3
the average interval followed by a
compensatory pause of 1.25 x average R-R
interval or 2 such Vs without a
compensatory pause occurring within 5 min.
of each other. (When HR >100, 1/3 R-R
interval is too short for detection.)
A dominant rhythm of N, V, N, V
(N=supraventricular beat, V=ventricular
beat)
A dominant rhythm of N, N, V, N, N, V
(N=supraventricular beat, V=ventricular
beat)
PVCs within one minute exceeded the PVCs
/min limit (xxx)
The occurrence of two differently shaped
Vs, each occurring at least twice within the
last 300 beats as well as each occurring at
least once within the last 60 beats
Heart Rate (yyy) greater than the upper HR
limit (xxx)
Heart Rate (yyy) lower than the lower HR
limit (xxx)
Consistently irregular rhythm (irregular R-R
intervals)