The Nuts and bolts of Paced ECG Interpretation


The Nuts and bolts of Paced ECG Interpretation

95.90 100.95

Author: Tom Kenny
Publisher: Wiley-Blackwell
Published 2009-04
ISBN: 9781405184045

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Nothing is more perplexing to the clinician new to device therapy than having to deal with cardiac electrocardiograms from a device patient. Pacemakers and other implantable cardiac rhythm management devices leave their “imprint” on ECGs and can significantly change what clinicians see - or expect to see. Evaluating paced ECGs can be challenging, yet nowhere is it taught in any sort of comprehensive manner. Designed specifically for clinicians new to device therapy, The Nuts and Bolts of Interpreting Paced ECGs and EGMs offers practical, reliable and objective information on paced cardiac electrograms. Written in a lively, intelligent and easy to navigate style, emphasizing real-life clinical practice and practical tips, this book includes illustrated paced ECGs by skilled artists to help minimize “fuzzy” lines and emphasize key points. Each chapter concludes with a checklist of key points from each subject (“Nuts and Bolts”). Author Information: Tom Kenny Vice President Clinical Education & Training St. Jude Medical Austin, TX, USA

Table of Contents:


Before We Start ….

Part I Timing Cycles and Troubleshooting Review.

1 Calculating Rates and Intervals.

2 Pacing Spikes.

3 The Basics of Capture and Sensing.

4 In Depth: Modes.

5 Ventricular Sensing.

6 Pacing Intervals.

7 Loss of Capture.

8 Oversensing.

9 In Depth: Sensing.

10 QRS Morphologies.

11 Fusion and Pseudofusion.

12 In Depth: Single-Chamber Timing Cycles.

13 Intermittent Oversensing.

14 Undersensing.

15 Hysteresis Intervals.

16 In Depth: Hysteresis.

17 Rate Response.

18 Annotated ECGs.

19 AV Synchrony.

20 Atrial Tracking.

21 AV Conduction.

22 States of Dual-Chamber Pacing.

23 Maximum Tracking Rate.

24 Pacemaker Multiblock.

25 Pacemaker Wenckebach.

26 Pacemaker-Mediated Tachycardia.

27 Mode Switching.

28 In Depth: Upper-Rate Behavior in Dual-Chamber Pacemakers.

29 Troubleshooting the Paced ECG.

30 More Troubleshooting the Paced ECG.

31 Automatic Capture Algorithms.

32 Capture Testing.

33 In Depth: Basic Troubleshooting Guide.

34 Navigating the Intracardiac Electrogram.

35 Tracings from a Programmer (Combining E-grams with the ECG).

36 Stored Electrograms.

37 In Depth: Electrograms.

38 Conclusion.

Part II Workbook.

Introduction to Workbook.