10 - 12 BeneVision N22/N19 Patient Monitor Operator’s Manual
10.6.2 Arrhythmia Events
This section lists all arrhythmia events and their criteria.
10.6.2.1 Lethal Arrhythmia Events
10.6.2.2 Nonlethal Arrhythmia Events
Arrhythmia message Description
Asystole No QRS complex detected within the set time threshold in absence of ventricular fibrillation
or chaotic signal.
V-Fib/V-Tach A fibrillatory wave for 6 consecutive seconds.
A dominant rhythm of adjacent Vs and a HR is greater than V-tach rate limit.
V-Tach The consecutive PVCs is greater or equal to V-tach PVCs limit, and the HR is greater or equal
to the V-Tach rate limit.
Vent Brady The consecutive PVCs is greater or equal to V brady limit and the HR is less than V brady rate
limit.
Extreme Tachy The heart rate is greater than the extreme tachycardia limit.
Extreme Brady The heart rate is less than the extreme bradycardia limit.
Arrhythmia message Description
R on T R on T detected in normal heartbeats.
Run PVCs More than two consecutive PVCs, lower than Vent. Brady PVCs threshold, and HR lower than
Vent Rate threshold.
Couplet Paired PVCs detected in normal heartbeats.
Multiform PVC Multiform PVCs detected in Multif. PVC's Window (which is adjustable).
PVC One PVC detected in normal heartbeats.
Bigeminy A dominant rhythm of N, V, N, V, N, V.
Trigeminy A dominant rhythm of N, N, V,N, N, V, N, N, V.
Tachy The average heart rate is greater than the tachycardia limit.
Brady The average heart rate is lower than the bradycardia limit.
Pacer not Capture No QRS complex detected for 300 ms following a pace pulse (for paced patients only).
Pacer not Pacing No pace pulse detected for 1.75 x average R-to-R intervals following a QRS complex (for
paced patients only).
Missed Beats At least 3 consecutive Ns, and
The current RR interval is greater than 1.5 x previous RR interval, and
The next RR interval is lower than 1.5 x average RR interval, and
HR greater than 100 and the current RR interval is greater than 1.75 x average RR interval , or
HR is greater than or equal to 100 and the current RR interval is greater than 1000 ms.
Nonsus V-Tach Consecutive PVCs (V) is lower than Vtac PVCs limit but greater than 2, and HR is greater or
equal to the Vtac Rate limit.
Vent Rhythm The consecutive PVCs is greater or equal to Vbrd PVCs limit, and HR is greater or equal to
Vbrd Rate limit but lower than Vtac Rate limit.
Pause No QRS complex is detected within the set time threshold of pause.
Irr Rhythm Consistently irregular rhythm (N, irregular RR interval change is greater than 12.5%)
Afib (for adult only) P wave is absent and normal beat RR intervals are irregular.
PVCs/min PVCs/min exceeds high limit
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