Welch Allyn Cardioperfect Workstation, PEDMEANS ECG Interpretation Module - Physicians - User Manual - Manual (Page 38)

CardioPerfect Workstation
PEDMEANS ECG Interpretation Module Physicians Manual
DIR 80015051 Rev. C 38 / 55
3.11 Group 8: Irregular rhythms with P/QRS

0.15
Say: “atrial fibrillation with slow mean ventricular response”
if: heart rate < LLN – 10 BPM
Say:
“atrial fibrillation with normal mean ventricular response”
if: LLN – 10 BPM 
heart rate < ULN
Say:
“atrial fibrillation with rapid mean ventricular response”
if: ULN

heart rate < ULN + 80 BPM
Say:
“atrial fibrillation with very rapid mean ventricular response”
if: heart rate

ULN + 80 BPM
Say:
“with long RR intervals”
if: there is an RR interval > 1.6 s
3.12 Group 9: rhythms with paroxysmal acceleration or deceleration of
ventricular rate
The program defines a p aroxysmal acceleration (“run”) as a sequence of three or more dominant
complexes with a rate that exceeds the inherent rate of the subsidiary pacemaker by 40%. Once a run
has been detected and classified, the complexes are discarded. The remaining rhythm, which may be
perfectly regular, is classified separately.
Say: “with run of dominant complexes”
if: there is a run
and run rate < ULN + 40 BPM
Say:
“with episode of paroxysmal junctional tachycardia”
if: there is a run
and ULN + 40 < run rate

ULN + 60 BPM
Say:
“with episode of paroxysmal atrial tachycardia”
if: there is a run
and run rate > ULN + 60 BPM
An arrest is defined as a transient disturbance in impulse formation giving rise to an RR interval which
is at least 50% longer than the average RR interval and has a duration of at least 2 s.
Say: “with ventricular arrest”
if: there is an arrest