P1 Patient Monitor User’s Manual
8-17
Extreme Brady Non-ventricular rhythm and the heart rate are less than the extreme
bradycardia limit.
R on T Ventricular premature beats appear on the T wave of the previous
cardiac cycle.
Tachy Non-ventricular rhythm and the heart rate are greater than the
tachycardia limit.
Brady Non-ventricular rhythm and heart rate less than bradycardia limit.
Nonsustained V-Tach Three or four consecutive ventricular waveforms and the heart rate are
greater than the ventricular tachycardia heart rate limit.
Vent Rhythm More than 5 (including 5) ventricular waveforms were detected
continuously, and the heart rate was less than the ventricular
tachycardia heart rate limit and greater than the ventricular bradycardia
heart rate limit.
PNC One cardiac leak and one pacing pulse were detected.
PNP One cardiac leak was detected, but no pacing pulse was detected.
Pause
No heartbeat is detected within 1.75× of the average R-R interval
(when the heart rate is less than 100), or no heartbeat is detected within
1 second (when the heart rate is more than 100) and the current RR
interval is greater than 4 seconds and less than 6 seconds.
Pauses/min High The number of Pause per minute is greater than the decision limit.
Run PVCs For 3 or 4 consecutive ventricular waveforms, the heart rate is less
than the ventricular tachycardia heart rate limit and greater than the
ventricular bradycardia heart rate limit.
Couplet Two consecutive ventricular waveforms.
Bigeminy Dominant rhythm of N, V, N, V.
Trigeminy Dominant rhythm of N, N, V, N, N, V.
Frequent PVCs The number of PVC per minute is greater than the decision limit.
PVC Occasional ventricular premature beat.
Missed Beat
No heartbeat is detected within 1.75× of the average R-R interval
(when the heart rate is less than 100bpm), or no heartbeat is detected
within 1 second (when the heart rate is more than 100bpm) and the
current RR interval is less than 4 seconds.
A-Fib RR interval of normal cardiac beats is irregular and there is no P wave.
A-Fib End No atrial fibrillation was detected within the delay time after the end of
atrial fibrillation.
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