Table of Contents
Preface vii
Before We Start ..., 1
Part I Timing Cycles and Troubleshooting Review
1 Calculating Rates and Intervals 5
2 Pacing Spikes 8
3 The Basics of Capture and Sensing 11
4 In Depth: Modes 14
5 Ventricular Sensing 17
6 Pacing Intervals 19
7 Loss of Capture 22
8 Oversensing 24
9 In Depth: Sensing 26
10 QRS Morphologies 28
11 Fusion and Pseudofusion 31
12 In Depth: Single-Chamber Timing Cycles 34
13 Intermittent Oversensing 36
14 Undersensing 38
15 Hysteresis Intervals 40
16 In Depth: Hysteresis 42
17 Rate Response 44
18 Annotated ECGs 46
19 AV Synchrony 49
20 Atrial Tracking 51
21 AV Conduction 53
22 States of Dual-Chamber Pacing 55
23 Maximum Tracking Rate 57
24 Pacemaker Multiblock 60
25 Pacemaker Wenckebach 63
26 Pacemaker-Mediated Tachycardia 66
27 Mode Switching 68
28 In Depth: Upper-Rate Behavior in Dual-Chamber Pacemakers 71
29 Troubleshooting the Paced ECG 73
30 More Troubleshooting the Paced ECG 75
31 Automatic Capture Algorithms 77
32 Capture Testing 80
33 In Depth: Basic Troubleshooting Guide 83
34 Navigating the Intracardiac Electrogram 86
35 Tracings from a Programmer (Combining E-grams with the ECG) 93
36 Stored Electrograms 96
37 In Depth: Electrograms 99
38 Conclusion 101
Part II Workbook
Introduction to Workbook 105
Easy 107
Moderate 237
Tough 313
Scramble 409
Index 475
