Full Description
The manual is suitable for training electrocardio- without digital recording and that are accompanied graphers and technicians and can be accompanied by other uniquely rich data. Despite my expectations by sets of training ECGs already coded by trainers. during the 1960s that such archives would cease to It is our expectation that the manual will serve as a be used after the introduction of digital recording, reference, guide, and training source for those con- the tide of such treasures has hardly ebbed. ducting studies that require objective evidence of The changes included in this edition arise from cardiac disease, both prevalent and incident, by non- more than a quarter of a century of directing central invasive, highly standardized, inexpensive record- ECG reading and research centers and collectively ing of the electrocardiogram. In our own ECG Read- 60+ large and small epidemiologic studies and m- ing Center, this has included epidemiologic studies ticenter national and international clinical trials. The among healthy populations, diabetics, psychiatric changes include the description of a new measuring patients, pregnant women, cohorts of patients with loupe in Chap. 3, developed over the past decade, to clinical heart disease, populations exposed to envi- better serve a more ef? cient and a more extensive ronmental contaminants such as arsenic, populations span for measurement of relevant durations, voltages, exposed to Chagas disease, and in clinical trials of and deviations from the isoelectric line. In Chap.
Contents
Preface for the second edition.- Preface for the first edition.- Acknowledgments.- 1 What is the Electrocardiogram or ECG? The Electricity Part of the ECG.- 2 ECG Leads Bipolar Limb Leads (I, II, III) / Unipolar Limb Leads (aVR, aVL, aVF) / Chest Leads (V1, V2, V3, V4, V5, V6).- 3 Measuring Devices Recording Paper Grid / Measuring Loupe / Plastic Ruler / Calibration Deflection / Beats to Be Measured / Mathematical Symbols.- 4 Q-QS Waves (1-Codes).- 5 Frontal Plane QRS Axis (2-Codes).- 6 High R-Waves (3-Codes).- 7 ST Segment Depression (4-Codes) and Negative T-Waves (5-Codes).- 8 Atrioventricular (A-V) Conduction Defects (6-Codes).- 9 Intraventricular Conduction Defects (7-Codes).- 10 Arrhythmias (8-Codes).- 11 Miscellaneous Codes (9-Codes).- 12 Exact Measurements Frontal Plane QRS Axis / Amplitude Measurements / Q-X, Q-T Intervals.- 13 Coding the Whole ECG Coding Hierarchy / Data Recording.- 14 ECG Data Acquisition Procedures and Maintenance of Recording Quality including Technician Training Twelve-Lead Rest ECG Using Single Channel Recorder / Twelve-Lead ECG Using Multichannel Recorder / Minimizing Biologic Variability.- 15 Criteria for Significant ECG Pattern Change.- 16 ECG Indices That Add to Independent Prognostication for Cardiovascular Disease Outcomes.- 17 Quality Control of Visual and Electronic Coding.- Appendix I Minnesota Code 2009 Q and QS Patterns / QRS Axis Deviation / High Amplitude R-Waves / ST Junction (J) and Segment Depression / T-Wave Items / A-V Conduction Defect / Ventricular Conduction Defect / Arrhythmias / ST Segment Elevation / Miscellaneous Items / Incompatible Codes .- Appendix II Novacode and Minnesota Code Equivalents.- Appendix III Major and Minor ECG Abnormalities for Population Comparisons with Minnesota Code and Novacode Equivalents
