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Electrocardiographic Imaging

Author: Maria S. Guillem

Publisher: Frontiers Media SA

Published: 2020-04-17

Total Pages: 178

ISBN-13: 2889636712

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Electrical activity in the myocardium coordinates the contraction of the heart, and its knowledge could lead to a better understanding, diagnosis, and treatment of cardiac diseases. This electrical activity generates an electromagnetic field that propagates outside the heart and reaches the human torso surface, where it can be easily measured. Classical electrocardiography aims to interpret the 12-lead electrocardiogram (ECG) to determine cardiac activity and support the diagnosis of cardiac pathologies such as arrhythmias, altered activations, and ischemia. More recently, a higher number of leads is used to reconstruct a more detailed quantitative description of the electrical activity in the heart by solving the so-called inverse problem of electrocardiography. This technique is known as ECG imaging. Today, clinical applications of ECG imaging are showing promising results in guiding a variety of electrophysiological interventions such as catheter ablation of atrial fibrillation and ventricular tachycardia. However, in order to promote the adoption of ECG imaging in the routine clinical practice, further research is required regarding more accurate mathematical methods, further scientific validation under different preclinical scenarios and a more extensive clinical validation

Book Synopsis Electrocardiographic Imaging by : Maria S. Guillem

Download or read book Electrocardiographic Imaging written by Maria S. Guillem and published by Frontiers Media SA. This book was released on 2020-04-17 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electrical activity in the myocardium coordinates the contraction of the heart, and its knowledge could lead to a better understanding, diagnosis, and treatment of cardiac diseases. This electrical activity generates an electromagnetic field that propagates outside the heart and reaches the human torso surface, where it can be easily measured. Classical electrocardiography aims to interpret the 12-lead electrocardiogram (ECG) to determine cardiac activity and support the diagnosis of cardiac pathologies such as arrhythmias, altered activations, and ischemia. More recently, a higher number of leads is used to reconstruct a more detailed quantitative description of the electrical activity in the heart by solving the so-called inverse problem of electrocardiography. This technique is known as ECG imaging. Today, clinical applications of ECG imaging are showing promising results in guiding a variety of electrophysiological interventions such as catheter ablation of atrial fibrillation and ventricular tachycardia. However, in order to promote the adoption of ECG imaging in the routine clinical practice, further research is required regarding more accurate mathematical methods, further scientific validation under different preclinical scenarios and a more extensive clinical validation

Electrocardiography in Ischemic Heart Disease

Author: Miquel Fiol-Sala

Publisher: John Wiley & Sons

Published: 2019-12-31

Total Pages: 435

ISBN-13: 1119422663

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A fresh assessment of ischemic electrocardiography, its prognostic correlations, and the concepts and principles that underly its use The electrocardiogram (ECG) is integral to the accurate diagnosis and optimal management of patients with ischemic heart disease. Picking up a wide range of indicators, it provides valuable prognostic data to cardiologists and emergency medicine specialists for whom ECG readings are a trusted and everyday resource. Electrocardiography in Ischemic Heart Disease is designed to help enhance such clinicians' understanding of ECG recordings and their relationship to anatomical patterns of myocardial ischemia, thereby facilitating the continued improvement of patient care. For this new edition, the book's globally recognized team of authors has revised and expanded the original text to bring it up to date with the cardiology of today. Practical explanations of electrophysiological mechanisms, ischemic insults, and arterial occlusions are placed in the context of the ECG's day-to-day use, while full-color images illustrate core concepts in a vivid and instructive manner. This essential guide: Demonstrates correlations between ECG recordings and anatomical patterns of myocardial ischemia Covers STEMI, special forms of NSTEMI, and Q waves Describes electrocardiographic patterns of ischemia, injury, and infarction Explores advanced techniques such as contrast-enhanced cardiac magnetic resonance Electrocardiography in Ischemic Heart Disease is an indispensable resource for both trainee and practicing cardiologists, emergency medicine physicians, and any clinicians involved in the diagnosis and management of ischemic heart disease.

Book Synopsis Electrocardiography in Ischemic Heart Disease by : Miquel Fiol-Sala

Download or read book Electrocardiography in Ischemic Heart Disease written by Miquel Fiol-Sala and published by John Wiley & Sons. This book was released on 2019-12-31 with total page 435 pages. Available in PDF, EPUB and Kindle. Book excerpt: A fresh assessment of ischemic electrocardiography, its prognostic correlations, and the concepts and principles that underly its use The electrocardiogram (ECG) is integral to the accurate diagnosis and optimal management of patients with ischemic heart disease. Picking up a wide range of indicators, it provides valuable prognostic data to cardiologists and emergency medicine specialists for whom ECG readings are a trusted and everyday resource. Electrocardiography in Ischemic Heart Disease is designed to help enhance such clinicians' understanding of ECG recordings and their relationship to anatomical patterns of myocardial ischemia, thereby facilitating the continued improvement of patient care. For this new edition, the book's globally recognized team of authors has revised and expanded the original text to bring it up to date with the cardiology of today. Practical explanations of electrophysiological mechanisms, ischemic insults, and arterial occlusions are placed in the context of the ECG's day-to-day use, while full-color images illustrate core concepts in a vivid and instructive manner. This essential guide: Demonstrates correlations between ECG recordings and anatomical patterns of myocardial ischemia Covers STEMI, special forms of NSTEMI, and Q waves Describes electrocardiographic patterns of ischemia, injury, and infarction Explores advanced techniques such as contrast-enhanced cardiac magnetic resonance Electrocardiography in Ischemic Heart Disease is an indispensable resource for both trainee and practicing cardiologists, emergency medicine physicians, and any clinicians involved in the diagnosis and management of ischemic heart disease.

Frontiers in Noninvasive Cardiac Mapping, An Issue of Cardiac Electrophysiology Clinics

Author: Ashok Shah

Publisher: Elsevier Health Sciences

Published: 2015-04-07

Total Pages: 185

ISBN-13: 0323356745

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This issue of Cardiac Electrophysiology Clinics examines Frontiers in Non-invasive Cardiac Mapping. Topics include imaging of heart rhythm disorders, experimental validation and modeling of validation, challenges and future directions of inverse problems, phase mapping of cardiac fibrillation, frequency domain analysis, analysis of diagnostic 12-lead electrocardiography and 3D non-invasive mapping, and many more.

Book Synopsis Frontiers in Noninvasive Cardiac Mapping, An Issue of Cardiac Electrophysiology Clinics by : Ashok Shah

Download or read book Frontiers in Noninvasive Cardiac Mapping, An Issue of Cardiac Electrophysiology Clinics written by Ashok Shah and published by Elsevier Health Sciences. This book was released on 2015-04-07 with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt: This issue of Cardiac Electrophysiology Clinics examines Frontiers in Non-invasive Cardiac Mapping. Topics include imaging of heart rhythm disorders, experimental validation and modeling of validation, challenges and future directions of inverse problems, phase mapping of cardiac fibrillation, frequency domain analysis, analysis of diagnostic 12-lead electrocardiography and 3D non-invasive mapping, and many more.

Cardiac Imaging in Electrophysiology

Author: Angelo Auricchio

Publisher: Springer Science & Business Media

Published: 2011-11-15

Total Pages: 332

ISBN-13: 1848824866

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Cardiac arrhythmias are a major cause of death (7 million cases annually worldwide; 400,000 in the U.S. alone) and disability. Yet, a noninvasive imaging modality to identify patients at risk, provide accurate diagnosis and guide therapy is not yet available in clinical practice. Nevertheless, there are various applications of electrophysiologic imaging in humans from ECG/CT reconstructions, MRI to tissue Doppler investigations that provide supplimentary diagnostic data to the cardiologist. EP laboratories are experiencing an increase in volume, for both diagnostic and interventional electrophysiology studies, including mapping, ablation, and pacemaker implants. The equipment requirements for these procedures are stringent, include positioning capabilities, and dose management. This book is designed to review all of the current imaging methodologies that assist in diagnosis within the electrophysiology department.

Book Synopsis Cardiac Imaging in Electrophysiology by : Angelo Auricchio

Download or read book Cardiac Imaging in Electrophysiology written by Angelo Auricchio and published by Springer Science & Business Media. This book was released on 2011-11-15 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cardiac arrhythmias are a major cause of death (7 million cases annually worldwide; 400,000 in the U.S. alone) and disability. Yet, a noninvasive imaging modality to identify patients at risk, provide accurate diagnosis and guide therapy is not yet available in clinical practice. Nevertheless, there are various applications of electrophysiologic imaging in humans from ECG/CT reconstructions, MRI to tissue Doppler investigations that provide supplimentary diagnostic data to the cardiologist. EP laboratories are experiencing an increase in volume, for both diagnostic and interventional electrophysiology studies, including mapping, ablation, and pacemaker implants. The equipment requirements for these procedures are stringent, include positioning capabilities, and dose management. This book is designed to review all of the current imaging methodologies that assist in diagnosis within the electrophysiology department.

Contributions to the Methodology of Electrocardiographic Imaging (ECGI) and Application of ECGI to Study Mechanisms of Atrial Arrhythmia, Post Myocardial Infarction Electrophysiological Substrate, and Ventricular Tachycardia in Patients

Author: Yong Wang

Publisher:

Published: 2009

Total Pages: 0

ISBN-13:

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The spatial accuracy in determining initiation sites as simulated by atrial pacing was ä 6mm. ECGI imaged many activation patterns of commonly multiple wavelets (92%), with pulmonary vein (69%) and non-pulmonary vein (62%) trigger sites. Rotor activity was seen rarely (15%). AF complexity increased with longer clinical history of AF, though the degree of complexity of nonparoxysmal AF varied and overlapped. ECGI offers a way to identify unique epicardial activation patterns of AF in a patient-specific manner. The results are consistent with contemporary animal models of AF mechanisms and highlight the coexistence of a variety of mechanisms among patients.

Book Synopsis Contributions to the Methodology of Electrocardiographic Imaging (ECGI) and Application of ECGI to Study Mechanisms of Atrial Arrhythmia, Post Myocardial Infarction Electrophysiological Substrate, and Ventricular Tachycardia in Patients by : Yong Wang

Download or read book Contributions to the Methodology of Electrocardiographic Imaging (ECGI) and Application of ECGI to Study Mechanisms of Atrial Arrhythmia, Post Myocardial Infarction Electrophysiological Substrate, and Ventricular Tachycardia in Patients written by Yong Wang and published by . This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The spatial accuracy in determining initiation sites as simulated by atrial pacing was ä 6mm. ECGI imaged many activation patterns of commonly multiple wavelets (92%), with pulmonary vein (69%) and non-pulmonary vein (62%) trigger sites. Rotor activity was seen rarely (15%). AF complexity increased with longer clinical history of AF, though the degree of complexity of nonparoxysmal AF varied and overlapped. ECGI offers a way to identify unique epicardial activation patterns of AF in a patient-specific manner. The results are consistent with contemporary animal models of AF mechanisms and highlight the coexistence of a variety of mechanisms among patients.

Electrocardiographic Imaging (ECGI)

Author: Charulatha Ramanathan

Publisher:

Published: 2004

Total Pages: 123

ISBN-13:

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Book Synopsis Electrocardiographic Imaging (ECGI) by : Charulatha Ramanathan

Download or read book Electrocardiographic Imaging (ECGI) written by Charulatha Ramanathan and published by . This book was released on 2004 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Mathematics and Physics of Emerging Biomedical Imaging

Author: Committee on the Mathematics and Physics of Emerging Dynamic Biomedical Imaging

Publisher: National Academies Press

Published: 1996-03-13

Total Pages: 261

ISBN-13: 0309552923

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This cross-disciplinary book documents the key research challenges in the mathematical sciences and physics that could enable the economical development of novel biomedical imaging devices. It is hoped that the infusion of new insights from mathematical scientists and physicists will accelerate progress in imaging. Incorporating input from dozens of biomedical researchers who described what they perceived as key open problems of imaging that are amenable to attack by mathematical scientists and physicists, this book introduces the frontiers of biomedical imaging, especially the imaging of dynamic physiological functions, to the educated nonspecialist. Ten imaging modalities are covered, from the well-established (e.g., CAT scanning, MRI) to the more speculative (e.g., electrical and magnetic source imaging). For each modality, mathematics and physics research challenges are identified and a short list of suggested reading offered. Two additional chapters offer visions of the next generation of surgical and interventional techniques and of image processing. A final chapter provides an overview of mathematical issues that cut across the various modalities.

Book Synopsis Mathematics and Physics of Emerging Biomedical Imaging by : Committee on the Mathematics and Physics of Emerging Dynamic Biomedical Imaging

Download or read book Mathematics and Physics of Emerging Biomedical Imaging written by Committee on the Mathematics and Physics of Emerging Dynamic Biomedical Imaging and published by National Academies Press. This book was released on 1996-03-13 with total page 261 pages. Available in PDF, EPUB and Kindle. Book excerpt: This cross-disciplinary book documents the key research challenges in the mathematical sciences and physics that could enable the economical development of novel biomedical imaging devices. It is hoped that the infusion of new insights from mathematical scientists and physicists will accelerate progress in imaging. Incorporating input from dozens of biomedical researchers who described what they perceived as key open problems of imaging that are amenable to attack by mathematical scientists and physicists, this book introduces the frontiers of biomedical imaging, especially the imaging of dynamic physiological functions, to the educated nonspecialist. Ten imaging modalities are covered, from the well-established (e.g., CAT scanning, MRI) to the more speculative (e.g., electrical and magnetic source imaging). For each modality, mathematics and physics research challenges are identified and a short list of suggested reading offered. Two additional chapters offer visions of the next generation of surgical and interventional techniques and of image processing. A final chapter provides an overview of mathematical issues that cut across the various modalities.

A Computational and Experimental Study of a Heart-model-based Electrocardiographic Imaging Approach

Author: Xin Zhang (Ph.D.)

Publisher:

Published: 2005

Total Pages: 288

ISBN-13:

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Book Synopsis A Computational and Experimental Study of a Heart-model-based Electrocardiographic Imaging Approach by : Xin Zhang (Ph.D.)

Download or read book A Computational and Experimental Study of a Heart-model-based Electrocardiographic Imaging Approach written by Xin Zhang (Ph.D.) and published by . This book was released on 2005 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Electrocardiography in Ischemic Heart Disease

Author: Antoni Bayés de Luna

Publisher: John Wiley & Sons

Published: 2008-04-30

Total Pages: 354

ISBN-13: 9780470695494

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The ECG is a fundamental diagnostic tool in cardiology, allowingaccurate diagnosis and monitoring of acute and chronic ischemicheart disease. In this most comprehensive book of its kind,internationally renowned authors correlate electrocardiographicrecordings with anatomical patterns of myocardial ischemia toimprove the diagnosis and management of patients with ischemicheart disease. The book is structured in two sections. Part One coverselectrocardiographic patterns of ischemia, injury andinfarction. • Each chapter discusses a different ECG abnormality inturn, clearly explaining the ischemic insults andelectrophysiological mechanisms underlying each pattern to promoterapid and accurate interpretation of the ECG in the clinicalsetting. • ECG abnormalities are correlated with myocardial anatomyand coronary angiography to produce a series of practicaldiagnostic algorithms that allow the clinician to identify not onlythe occluded artery but the precise location of the occlusionwithin the artery, facilitating appropriate therapeuticdecisions. • The authors also propose a new classification of Q-wavemyocardial infarctions based on imaging correlations with advancedtechniques such as contrast-enhanced cardiac magneticresonance. Part Two of the book covers the ECG in clinical practice. Eachchapter focuses on a different clinical syndrome, describing therole of the ECG in a global approach to the diagnosis, prognosisand risk stratification of patients with acute and chronic ischemicheart disease and guiding clinical decision-making. Extensively referenced and illustrated throughout, this book ishighly recommended for any clinician involved in the diagnosis andmanagement of ischemic heart disease.

Book Synopsis Electrocardiography in Ischemic Heart Disease by : Antoni Bayés de Luna

Download or read book Electrocardiography in Ischemic Heart Disease written by Antoni Bayés de Luna and published by John Wiley & Sons. This book was released on 2008-04-30 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ECG is a fundamental diagnostic tool in cardiology, allowingaccurate diagnosis and monitoring of acute and chronic ischemicheart disease. In this most comprehensive book of its kind,internationally renowned authors correlate electrocardiographicrecordings with anatomical patterns of myocardial ischemia toimprove the diagnosis and management of patients with ischemicheart disease. The book is structured in two sections. Part One coverselectrocardiographic patterns of ischemia, injury andinfarction. • Each chapter discusses a different ECG abnormality inturn, clearly explaining the ischemic insults andelectrophysiological mechanisms underlying each pattern to promoterapid and accurate interpretation of the ECG in the clinicalsetting. • ECG abnormalities are correlated with myocardial anatomyand coronary angiography to produce a series of practicaldiagnostic algorithms that allow the clinician to identify not onlythe occluded artery but the precise location of the occlusionwithin the artery, facilitating appropriate therapeuticdecisions. • The authors also propose a new classification of Q-wavemyocardial infarctions based on imaging correlations with advancedtechniques such as contrast-enhanced cardiac magneticresonance. Part Two of the book covers the ECG in clinical practice. Eachchapter focuses on a different clinical syndrome, describing therole of the ECG in a global approach to the diagnosis, prognosisand risk stratification of patients with acute and chronic ischemicheart disease and guiding clinical decision-making. Extensively referenced and illustrated throughout, this book ishighly recommended for any clinician involved in the diagnosis andmanagement of ischemic heart disease.

Mayo Clinic Guide to Cardiac Magnetic Resonance Imaging

Author: Kiaran McGee

Publisher: Mayo Clinic Scientific Press

Published: 2015

Total Pages: 337

ISBN-13: 0199941181

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This clinical resource of cardiac MR imaging is a straightforward how-to text for technologists, physicians and physicists.

Book Synopsis Mayo Clinic Guide to Cardiac Magnetic Resonance Imaging by : Kiaran McGee

Download or read book Mayo Clinic Guide to Cardiac Magnetic Resonance Imaging written by Kiaran McGee and published by Mayo Clinic Scientific Press. This book was released on 2015 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: This clinical resource of cardiac MR imaging is a straightforward how-to text for technologists, physicians and physicists.