Keywords:
Heart--Electric properties.
;
Electrocardiography.
;
Heart--Diseases--Treatment.
;
Electrotherapeutics.
;
Electrophysiologic Techniques, Cardiac.
;
Models, Cardiovascular.
;
Electronic books.
Description / Table of Contents:
Cardiac Electrophysiology Methods and Models reviews key research methods and protocols in cardiac electrophysiology with a focus on advantages, pitfalls, practical implementation and collaborative cross-functional research.
Type of Medium:
Online Resource
Pages:
1 online resource (489 pages)
Edition:
1st ed.
ISBN:
9781441966582
URL:
https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=645310
DDC:
612.171
Language:
English
Note:
Intro -- Cardiac Electrophysiology Methods and Models -- Preface -- Contents -- Contributors -- Chapter 1: Clinical Cardiac Electrophysiology: An Overview of Its Evolution -- 1.1 Electrocardiography -- 1.2 Device Therapy: Pacing, Defibrillation, and Monitoring -- 1.2.1 Early Development -- 1.2.2 Initial Evolution of Implantable Pulse Generators -- 1.2.3 Pacing Lead Development -- 1.2.4 Later Pacing System Advances -- 1.2.5 More Recent Pacing System Advances -- 1.2.6 Emergence of Implantable Defibrillators -- 1.2.7 Ambulatory Monitoring -- 1.3 Intracardiac Recording, Stimulation, and Autonomic Assessment -- 1.3.1 Early Studies Using Transcatheter Recordings -- 1.3.2 Premature Electrical Stimulation and Entrainment -- 1.3.3 Ablation -- 1.3.4 Autonomic Disturbances and Genetically Determined Susceptibility to Arrhythmias -- 1.3.5 Channelopathies: Genetically Determined Arrhythmias -- 1.4 Epicardial and Endocardial Mapping, Imaging, and Navigation -- 1.5 Antiarrhythmic Drug Therapy -- 1.6 Conclusion -- References -- Part I Overview -- Chapter 2: Basic Cardiac Electrophysiology: Excitable Membranes -- 2.1 Introduction -- 2.2 Cell Membrane -- 2.3 Membrane Electrophysiology -- 2.3.1 Resting Membrane Potential -- 2.3.2 Equilibrium Potential and the Nernst Equation -- 2.3.3 Ion Channels and Membrane Currents -- 2.3.4 Action Potential -- 2.3.5 Refractoriness -- 2.3.6 Excitation-Contraction Coupling -- 2.4 Summary -- References -- Chapter 3: Cardiac Action Potentials, Ion Channels, and Gap Junctions -- 3.1 Introduction -- 3.2 Phases of the Action Potential -- 3.3 Ion Channels -- 3.3.1 Voltage-Gated Channels -- 3.3.1.1 Sodium Channel -- 3.3.1.2 Calcium Channel -- 3.3.1.3 Potassium Channels -- The Inward Rectifier Current (IK1) -- The Transient Outward Current (ITo) -- The Delayed Rectifier Currents (IKr and IKs).
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The Ultra-Rapid Delayed Rectifier Current (IKur) -- 3.3.2 Ligand-Gated Channels -- 3.3.3 Stretch-Activated Channels -- 3.3.4 Exchangers -- 3.3.5 Electrophysiological Heterogeneities in Ion Channel Expression -- 3.3.6 Changes in Ion Channel Expression by Cardiac Remodeling -- 3.4 Gap Junctions -- 3.4.1 Gap Junction Distribution in Cardiac Tissue -- 3.4.2 Redundancy of Connexins -- 3.4.3 Gap Junction Distribution in Cardiomyocytes -- 3.4.4 Homomeric and Heteromeric Expression -- 3.4.5 Remodeling of Connexin Expression -- 3.4.6 Transmural Differences in Connexins -- 3.5 Conclusion -- References -- Chapter 4: Anatomy and Physiology of the Cardiac Conduction System -- 4.1 Introduction -- 4.2 Overview of Cardiac Conduction -- 4.3 Cardiac Rate Control -- 4.4 Cardiac Action Potentials -- 4.5 Gap Junctions (Cell-to-Cell Conduction) -- 4.6 The Atrioventricular Node and Bundle of His: Specific Features -- 4.7 Recording the Spread of Excitation Through the Heart -- 4.8 Future Research on the Heart's Conduction System -- 4.9 Summary -- References -- Chapter 5: The Electrocardiogram and Clinical Cardiac Electrophysiology -- 5.1 Introduction -- 5.2 The Specialized Cardiac Conduction System -- 5.3 Electrocardiogram -- 5.3.1 ECG Leads -- 5.3.2 Waves and Intervals -- 5.3.2.1 P-wave -- 5.3.2.2 PR Interval -- 5.3.2.3 QRS Complex -- 5.3.2.4 ST Segment -- 5.3.2.5 T-wave -- 5.3.2.6 QT Interval -- 5.4 Mechanisms of Arrhythmias -- 5.5 Clinical Presentation and Diagnosis -- 5.6 Treatment Considerations -- 5.7 Bradyarrhythmias -- 5.7.1 Sinus Node Dysfunction -- 5.7.2 AV Block -- 5.8 Tachyarrhythmias -- 5.8.1 Premature Complexes -- 5.8.1.1 Atrial Premature Complexes -- 5.8.1.2 Multifocal Atrial Tachycardia -- 5.8.1.3 AV Junctional Premature Complexes -- 5.8.1.4 Ventricular Premature Complexes -- 5.8.2 Sinus Tachycardias -- 5.8.2.1 Physiological Sinus Tachycardia.
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5.8.2.2 Inappropriate Sinus Tachycardia -- 5.8.3 Paroxysmal Supraventricular Tachycardias -- 5.8.3.1 Sinus Node Reentry Tachycardia -- 5.8.3.2 Atrial Tachycardias -- 5.8.3.3 AV Nodal Reentry Tachycardia -- 5.8.3.4 AV Reciprocating Tachycardia Using Concealed Accessory Pathway -- 5.9 Wolff-Parkinson-White Syndrome -- 5.10 Nonparoxysmal Junctional Tachycardia -- 5.11 Atrial Flutter and Fibrillation -- 5.11.1 Atrial Flutter -- 5.11.2 Atrial Fibrillation -- 5.12 Ventricular Tachyarrhythmias -- 5.12.1 Ventricular Tachycardias -- 5.12.2 Ventricular Flutter and Ventricular Fibrillation -- 5.12.3 Accelerated Idioventricular Rhythm -- 5.12.4 Torsades de Pointes -- 5.13 Summary -- Further Readings -- Part II Methods and Models -- Chapter 6: Principles of Electrophysiological In Vitro Measurements -- 6.1 Introduction -- 6.2 Electrodes -- 6.2.1 The Metal-Electrolyte Interface -- 6.2.2 Junction Potentials -- 6.2.3 Tip Potential -- 6.2.4 Glass Microelectrodes -- 6.3 Measurement of Membrane Potentials -- 6.3.1 Electrophysiological Measurement of Membrane Potentials -- 6.3.2 Fluorescence Techniques for Membrane Potential Measurement -- 6.4 Membrane Current Measurements -- 6.4.1 Classical Two-Electrode Voltage Clamp for the Measurement of Macroscopic Currents -- 6.4.2 The Patch Clamp Technique -- 6.4.3 High-Throughput Screening for the Pharmaceutical Industry -- 6.5 Solution and Pharmacology -- 6.6 Selective Measurements of Ion Activities -- 6.7 Troubleshooting -- 6.7.1 Low Series Resistances -- 6.7.2 Avoidance of Ground Loops -- 6.7.3 Stable Salt Bridges -- 6.7.4 Summary -- References -- Chapter 7: Cardiac Cellular Electrophysiological Modeling -- 7.1 Modeling Cardiac Cellular Electrophysiology -- 7.1.1 Simplified Models of Cardiac Cellular Electrophysiology -- 7.1.2 Biophysically Based Models of Cardiac Cellular Electrophysiology -- 7.2 Model Description.
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7.2.1 Worked Examples -- 7.2.1.1 One Model, Multiple Parameter Sets -- 7.2.1.2 Model Evolution -- 7.3 Conclusions -- References -- Chapter 8: Computer Modeling of Electrical Activation: From Cellular Dynamics to the Whole Heart -- 8.1 Introduction -- 8.2 Finite Elements and Material Coordinate Systems -- 8.3 Models of Cardiac Anatomy -- 8.4 Tissue Electrodynamics -- 8.4.1 The Bidomain Equations -- 8.4.2 The Monodomain Equations -- 8.5 Models of Cardiac Electrical Activation -- 8.5.1 Computational Issues -- 8.5.2 2D Tissue Models -- 8.5.3 3D Tissue Models -- 8.5.4 3D Ventricular Models -- 8.5.5 3D Atrial Models -- 8.6 Problems and Future Directions -- References -- Chapter 9: Detection and Measurement of Cardiac Ion Channels -- 9.1 Introduction -- 9.2 Apparatus -- 9.3 Methodology and Pitfalls -- 9.3.1 In Situ Hybridization with Digoxigenin-Labelled RNA Probes -- 9.3.1.1 Protocol Details -- 9.3.1.2 Generation of Digoxigenin-Labelled RNA Probes -- 9.3.1.3 Probe Design -- 9.3.1.4 Probe Length -- 9.3.1.5 Generation of Probe -- 9.3.1.6 Isolation of Insert (Probe) Sequences -- 9.3.1.7 Generation of Probe Template with RNA Polymerase Promoters -- 9.3.1.8 In Vitro Transcription -- 9.3.2 Quantitative PCR (qPCR) -- 9.3.2.1 Protocol Details -- 9.3.2.2 Primer Design -- 9.3.3 Immunohistochemistry with Fluorescent Conjugated Secondary Antibodies -- 9.3.3.1 Protocol Details -- 9.4 New Emerging Techniques -- 9.4.1 Laser Capture Microdissection -- 9.4.2 qPCR Arrays -- 9.4.3 Protein Arrays -- References -- Chapter 10: Cell Culture Models and Methods -- 10.1 Introduction -- 10.2 Primary Cardiac Cell Culture -- 10.2.1 Adult Cardiomyocytes -- 10.2.2 Cultured Neonatal Cardiomyocytes -- 10.3 Cardiac Cell Lines -- 10.4 Stem Cell-Derived Myocytes -- 10.4.1 Embryonic Stem Cell-Derived Cardiomyocytes -- 10.4.2 Emerging Model: Induced-Pluripotent Stem Cells -- 10.5 Conclusion.
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References -- Chapter 11: Isolated Tissue Models -- 11.1 Introduction -- 11.2 Description of Models -- 11.2.1 Isolated Trabeculae and Papillary Muscle Preparations -- 11.2.2 Isolated Ventricular Preparation -- 11.2.3 Isolated Atrioventricular Node Preparation -- 11.2.4 Isolated Atrial Preparation -- 11.3 Advantages, Limitations, and Pitfalls -- 11.3.1 Advantages and Limitations of Superfused Tissue Models -- 11.3.2 Advantages and Limitations of Perfused Tissue Models -- 11.4 Conclusion -- References -- Chapter 12: Isolated Heart Models -- 12.1 Introduction -- 12.2 Experimental Model and Methods -- 12.2.1 Species -- 12.2.2 Perfusion Method -- 12.2.3 Intracardiac Visualization -- 12.2.4 Electrophysiological Studies -- 12.2.5 Device-Tissue Interaction -- 12.3 Limitations -- 12.4 Conclusion -- References -- Chapter 13: Small Animal Models for Arrhythmia Studies -- 13.1 Introduction -- 13.2 Nongenetic Small Animal Models for Arrhythmia Studies -- 13.2.1 Myocardial Infarction Model -- 13.2.2 Hypertrophy and Heart Failure Model -- 13.2.3 Chronic Complete Atrioventricular Block Model -- 13.2.4 Cardiac Dyssynchrony Model -- 13.2.5 Atrial Fibrillation Model -- 13.3 Genetically Engineered Small Animal Models for Arrhythmia Studies -- 13.3.1 Long QT Syndromes -- 13.3.2 Brugada Syndrome -- 13.3.3 Catecholaminergic Polymorphic Ventricular Tachycardia -- 13.3.4 Arrhythmogenic Right Ventricular Dysplasia/Cardiomyopathy (ARVD/C) -- 13.3.5 Familial Atrial Fibrillation -- 13.4 Summary -- References -- Chapter 14: Use of Large Animal Models for Cardiac Electrophysiology Studies -- 14.1 Introduction -- 14.2 Choosing the Right Animal Model -- 14.2.1 Rate of Growth -- 14.2.2 Arrhythmogenicity -- 14.2.3 Comparative Anatomy -- 14.3 Lead Placement -- 14.4 His Bundle Pacing -- 14.5 Ablation Studies -- 14.6 Anesthetics and Monitoring -- 14.6.1 Invasive Monitoring.
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14.6.2 Accessing the Heart.
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