This provides background information on procedures, epidemiological aspects, problem areas, mortality and morbidity risk. These topics are of particular interest for investigators in ECG research and clinical trials. This monograph is specialized beyond the scope of ordinary clinical textbooks of el
Investigative Electrocardiography in Epidemiological Studies and Clinical Trials
โ Scribed by Pentti Rautaharju MD, PhD, Farida Rautaharju PhD (auth.)
- Publisher
- Springer-Verlag London
- Year
- 2007
- Tongue
- English
- Leaves
- 296
- Edition
- 1
- Category
- Library
No coin nor oath required. For personal study only.
โฆ Synopsis
Electrocardiology is a relatively new modality in clinical trials, but electrocardiograms (ECGs) have already become established as a valuable research tool for investigation of morbidity and mortality risk associated with various clinical and subclinical conditions. ECGs have also become a crucial tool when investigating adverse cardiac events associated with administration of new drugs.
Investigative Electrocardiography in Epidemiological Studies and Clinical Trials reviews the prevalence and incidence and emphasizes the prognostic implications of common ECG abnormalities in contrasting populations. It provides a comprehensive, penetrating and critical analysis of topics such as QT prolongation in clinical drug trials, left ventricular hypertrophy, myocardial ischemia/infarction and epidemiological consideration of relative risks associated with ECG abnormalities. As such it is an essential tool in epidemiological or clinical research using ECGs and in investigations of possible adverse responses of new pharmacological agents.
With emphasis on providing international coverage of the topic, the well-respected authors present key information on ECG procedures, epidemiology, problem areas, mortality and morbidity risk. These topics are of particular interest to electrocardiologists, investigators in active ECG research in medical clinics participating in clinical trials, epidemiologists, cardiologists, pharmaceutical companies and regulatory bodies.
โฆ Table of Contents
Front Matter....Pages i-x
Front Matter....Pages 1-1
Cardiac Excitation and Repolarization....Pages 3-17
Electrocardiographic Lead Systems....Pages 18-28
Normal and Arrhythmogenic Ionic Channel Mechanism....Pages 29-44
Heart Rate and Heart Rate Variability....Pages 45-67
Methodological Considerations in Heart Rate Variability Analysis....Pages 68-73
Supraventricular Dysrhythmias....Pages 74-99
Ectopic Ventricular Activity....Pages 100-112
Record Length, Spontaneous Variability and Suppression of Ectopic Ventricular Complex Activity by Drugs....Pages 113-115
Left Ventricular Hypertrophy....Pages 116-149
Normal Standards for Cornell Voltage, Cornell Product and Sokolow-Lyon Voltage....Pages 150-153
Prolonged Ventricular Excitation....Pages 154-165
Old Myocardial Infarction....Pages 166-178
Attributable Risk....Pages 179-182
Primary Repolarization Abnormalities....Pages 183-200
Procedures for Determination of the Spatial QRS/T Angle from Conventional ECG Measurements....Pages 201-201
QT Prolongation and QT Dispersion โ a Critical Evaluation....Pages 202-228
Front Matter....Pages 229-229
ECG Intervals: Tables....Pages 231-235
ECG Wave Amplitudes*: Tables....Pages 236-256
ECG Vector Components and Spatial Magnitudes at Normalized Time Scale: Tables....Pages 257-264
ECG Amplitudes at 10ms Intervals: Tables....Pages 265-271
Front Matter....Pages 229-229
Repolarization Waveform Vectors: Tables....Pages 272-274
Back Matter....Pages 275-289
โฆ Subjects
Cardiology; Cardiac Surgery; Vascular Surgery; Epidemiology; Internal Medicine
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