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Contributors | p. xv |
Brief History of Electrogastrography | p. 1 |
Properties of Electrical Rhythmicity in the Stomach | p. 13 |
Properties of Gastric Electrical Slow Waves | p. 15 |
The Slow Wave Frequency Gradient | p. 17 |
Characteristics of Slow Wave Propagation | p. 19 |
Pacemaker Currents Generated by Interstitial Cells of Cajal | p. 20 |
Mechanism of Pacemaker Activity | p. 22 |
Regulation of Pacemaker Frequency | p. 24 |
Basis of Some Gastric Dysrhythmias | p. 27 |
Cautions for the Use of Electrogastrography to Evaluate Gastric Arrhythmias | p. 32 |
Physiological Basis of Electrogastrography | p. 37 |
Gastric Pacesetter Potentials and Action Potentials | p. 37 |
Normal Electrogastrographic Patterns in Healthy Subjects | p. 45 |
Fasting Electrogastrographic Patterns | p. 45 |
Postprandial Electrogastrographic Patterns | p. 47 |
Recording the Electrograstrogram | p. 69 |
Equipment | p. 70 |
Electrodes | p. 70 |
Recording Equipment | p. 70 |
Recording Procedure | p. 70 |
Electrode Placement | p. 70 |
Procedure | p. 73 |
How to Minimize and Identify Artifacts | p. 73 |
Movement of the Limbs and Body | p. 73 |
Talking | p. 74 |
Identifying Artifacts in the Electrogastrographic Signal | p. 74 |
Electrode and Other Electrical Failures | p. 74 |
Respiratory Artifacts | p. 74 |
Harmonics | p. 78 |
Analysis of the Electrogastrogram | p. 83 |
Visual Analysis of the Electrogastrographic Signal | p. 83 |
Computer Analysis of the Electrogastrographic Signal | p. 84 |
Filters and the Electrogastrographic Signal | p. 87 |
Spectral Analysis of the Electrogastrographic Signal | p. 87 |
Running Spectral Analysis (RSA) | p. 88 |
Specific Electrogastrographic Parameters | p. 96 |
Clinical Applications of Electrogastrography | p. 101 |
An Approach to the Patient with Dyspepsia Symptoms | p. 102 |
Gastric Neuromuscular Dysfunction and Dyspepsia | p. 106 |
The Electrogastrogram and Water Load Test | p. 106 |
Treatment of Gastric Neuromuscular Disorders Based on Pathophysiological Categories | p. 125 |
Clinical Applications of Electrogastrography in Pediatrics and Obstetrics | p. 139 |
Applications of Electrogastrography in Research | p. 142 |
Tachygastrias | p. 149 |
Pathophysiology of Gastric Dysrhythmias | p. 149 |
Origin of Tachygastrias | p. 151 |
Tachygastrias | p. 159 |
Tachygastrias (Unifocal) | p. 160 |
Tachygastrias (Diffuse) | p. 169 |
Tachygastrias (Probable) | p. 175 |
Fictitious Tachygastrias | p. 178 |
Bradygastrias and Mixed Dysrhythmias | p. 185 |
Origin of Bradygastrias | p. 185 |
Slow-Frequency Contractions of Antrum and Fundus | p. 185 |
Temperature of Intragastric Content | p. 186 |
Intragastric Volume | p. 189 |
Distention of Antrum | p. 189 |
Transection of the Gastric Corpus and Bradygastria | p. 193 |
Colonic and Small Intestinal Myoelectrical Activity | p. 193 |
Movements of the Body and Limbs of the Subject | p. 194 |
Bradygastrias | p. 194 |
Bradygastria (High Amplitude) | p. 194 |
Bradygastria (Low Amplitude) | p. 198 |
Mixed Gastric Dysrhythmias | p. 200 |
The Future and Electrogastrography | p. 213 |
Index | p. 217 |
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