Welch Allyn Cardioperfect Workstation, PEDMEANS ECG Interpretation Module - Physicians - User Manual User Manual
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CardioPerfect Workstation
PEDMEANS ECG Interpretation Module Physicians Manual
DIR 80015051 Rev. C
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Contents
1
INTRODUCTION ...................................................................................................................... 5
1.1
Signal conditioning ................................................................................................................... 5
1.2
Pattern recognition ................................................................................................................... 6
1.3
Parameter extraction ................................................................................................................ 6
1.4
Diagnostic classification ........................................................................................................... 7
1.5
Outline of the manual ............................................................................................................... 7
1.6
References ............................................................................................................................... 8
2
CONTOUR ANALYSIS ............................................................................................................ 9
2.1
Contour parameters ................................................................................................................. 9
2.2
Wolf-Parkinson-White syndrome (WPW) .............................................................................. 11
2.3
Left Bundle Branch Block (LBBB) .......................................................................................... 12
2.4
Right Bundle Branch Block (RBBB) ....................................................................................... 13
2.5
Intraventricular conduction delay ............................................................................................ 14
2.6
Atrial hypertrophy (AH) ........................................................................................................... 14
2.7
Axis deviation ......................................................................................................................... 15
2.8
Low QRS voltage .................................................................................................................... 15
2.9
QT abnormalities .................................................................................................................... 15
2.10
Left ventricular hypertrophy (LVH) .......................................................................................... 16
2.11
Right ventricular hypertrophy (RVH) ....................................................................................... 18
2.12
Biventricular hypertrophy (BVH) ............................................................................................. 20
2.13
Myocardial infarction ............................................................................................................... 21
2.14
ST elevation ............................................................................................................................ 22
2.15
ST depression ........................................................................................................................ 22
2.16
Repolarization ......................................................................................................................... 23
2.17
Combination of statements..................................................................................................... 24
3
RHYTHM ANALYSIS ............................................................................................................. 25
3.1
Introduction ............................................................................................................................. 25
3.2
Rhythm parameters ................................................................................................................ 26
3.3
Decision tree........................................................................................................................... 26
3.4
Group 1: Rhythms with artificial pacemaker spikes ............................................................... 29
3.5
Group 2: Non-dominant QRS complexes ............................................................................... 30
3.6
Group 3: Rhythms with atrial flutter or tachycardia ................................................................. 33
3.7
Group 4: Regular rhythms with P/QRS
0.15........................................................................ 34
3.8
Group 5: Regular rhythms with 0.15 < P/QRS
1.0 and PR range > 60 ms ......................... 35
3.9
Group 6: Regular rhythms with P/QRS > 1.0 and PR range
30 ms .................................... 36
3.10
Group 7: Regular rhythms with P/QRS > 1.0 and PR range > 30 ms .................................... 37
3.11
Group 8: Irregular rhythms with P/QRS
0.15 ....................................................................... 38
3.12
Group 9: rhythms with paroxysmal acceleration or deceleration of ventricular rate ............... 38
3.13
Group 10: Irregular rhythms with 0.15 < P/QRS
0.9 and PR range
30 ms ...................... 39
3.14
Group 11: Irregular rhythms with 0.15 < P/QRS
0.9 and PR range > 30 ms ...................... 40
3.15
Group 12: Irregular rhythms with 0.9 < P/QRS
1.2 and PR range > 30 ms ........................ 41
3.16
Group 13: Irregular rhythms with P/QRS > 1.2 and PR range > 30 ms ................................. 42
3.17
Group 14: Irregular rhythms with P/QRS > 1.0 and PR range
30 ms ................................. 42
3.18
Group 15: Rhythms with constant PR interval ........................................................................ 43
4
STATEMENT INDEX ............................................................................................................. 45