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Regulation of Coronary Blood Flow

2013-11-09 Medical
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Release : 2013-11-09
Genre : Medical
Kind : eBook
Book Rating : 674/5 ( reviews)

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Book Synopsis Regulation of Coronary Blood Flow by : Michitoshi Inoue

Download or read book Regulation of Coronary Blood Flow written by Michitoshi Inoue. This book was released on 2013-11-09. Available in PDF, EPUB and Kindle. Book excerpt: Research centering on blood flow in the heart continues to hold an important position, especially since a better understanding of the subject may help reduce the incidence of coronary arterial disease and heart attacks. This book summarizes recent advances in the field; it is the product of fruitful cooperation among international scientists who met in Japan in May, 1990 to discuss the regulation of coronary blood flow.

The Physics of Coronary Blood Flow

2006-06-18 Science
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Release : 2006-06-18
Genre : Science
Kind : eBook
Book Rating : 196/5 ( reviews)

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Book Synopsis The Physics of Coronary Blood Flow by : M. Zamir

Download or read book The Physics of Coronary Blood Flow written by M. Zamir. This book was released on 2006-06-18. Available in PDF, EPUB and Kindle. Book excerpt: The fields of biological and medical physics and biomedical engineering are broad, multidisciplinary and dyanmic. They lie at the crossroads of frontier - search in physics, biology, chemistry, and medicine. The Biological & Me- cal Physics/Biomedical Engineering Series is intended to be comprehensive, covering a broad range of topics important to the study of the physical, che- cal and biological sciences. Its goal is to provide scientists and engineers with textbooks, monographs, and reference works to address the growing need for information. Books in the series emphasize established and emergent areas of science - cluding molecular, membrane, and mathematical biophysics; photosynthetic - ergy harvesting and conversion; information processing; physical principles of genetics; sensory communications; automata networks, neural networks, and cellular automata. Equally important will be coverage of applied aspects of b- logical and medical physics and biomedical engineering such as molecular el- tronic components and devices, biosensors, medicine, imaging, physical prin- ples of renewable energy production, advanced prostheses, and environmental control and engineering. Elias Greenbaum Oak Ridge, TN M. Zamir Department of Applied Mathematics University of Western Ontario London, Ontario, N6A 5B7 CANADA [email protected] Library of Congress Cataloging-in-Publication Data Zamir, M. (Mair) The physics of coronary blood flow / M. Zamir. p. cm. — (Biological and medical physics, biomedical engineering) Includes bibliographical references and index. 1. Coronary circulation. 2. Hemodynamics. 3. Blood flow. I. Title. II. Series. QP108.Z36 2005 612.1?7—dc22 2005042502 ISBN-10: 0-387-25297-5 e-ISBN: 0-387-26019-6 Printed on acid-free paper.

Simulation and Imaging of the Cardiac System

2012-12-06 Medical
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Release : 2012-12-06
Genre : Medical
Kind : eBook
Book Rating : 928/5 ( reviews)

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Book Synopsis Simulation and Imaging of the Cardiac System by : S. Sideman

Download or read book Simulation and Imaging of the Cardiac System written by S. Sideman. This book was released on 2012-12-06. Available in PDF, EPUB and Kindle. Book excerpt: The ultrasound velocity tomography allows measurement of cardiac geometries for various phases in the cardiac cycle. The present tomograph makes reconstruc tions at intervals of 20 ms. Because of a lack of clear (intramural) landmarks (except the roots of the papillairy muscle), it is difficult to pinpoint spatial trajectories of particular points in the heart. Therefore, a second method was developed of injecting radiopaque markers in the heart and following their motion patterns during the cardiac cycle with help of a biplane X-ray equipment. The data obtained with both methods can be implemented in our finite element model of the heart to compute intramural stresses and strains. The results obtained sofar with the extended Darcy equation to account for the interaction of blood rheology and tissue mechanics look promising. Further testing with more sophisticated subjects than mentioned in Figure 9 is required before it will be implemented in our finite element model of the heart. We conclude that analysis of regional cardiac function, including regional myocardial blood flow, requires still a major research effort but the results obtained sofar justify, to our opinion, a continuation in this direction. Acknowledgement The authors acknowledge Dr. C. Borst and coworkers for doing the animal experiments and prof. Van Campen and dr. Grootenboer for their participation is some aspects of this work.

Essential Equations for Anaesthesia

2014-05-08 Medical
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Release : 2014-05-08
Genre : Medical
Kind : eBook
Book Rating : 604/5 ( reviews)

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Book Synopsis Essential Equations for Anaesthesia by : Edward T. Gilbert-Kawai

Download or read book Essential Equations for Anaesthesia written by Edward T. Gilbert-Kawai. This book was released on 2014-05-08. Available in PDF, EPUB and Kindle. Book excerpt: Covers all of the equations that candidates need to understand and be able to apply when sitting postgraduate anaesthetic examinations.

Coronary Circulation in Physiological and Pathophysiological States

2011-12-25 Medical
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Release : 2011-12-25
Genre : Medical
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Book Rating : 106/5 ( reviews)

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Book Synopsis Coronary Circulation in Physiological and Pathophysiological States by : Motoomi Nakamura

Download or read book Coronary Circulation in Physiological and Pathophysiological States written by Motoomi Nakamura. This book was released on 2011-12-25. Available in PDF, EPUB and Kindle. Book excerpt: MOTOOMI NAKAMURA As we approach the 21st century, ischemic heart disease is the major cause of death in most of the developed nations of the world. Since the 1970s, much effort and expense have led to designs of coronary thrombolytic therapy, percutaneous coronary angioplasty (PTCA), coronary artery bypass grafting, heart transplantation, automatic defibrillators, as well as to the formation of beta blockers and com pounds which block the calcium channel. Socio-educational programs directed at exercise, diet, instruction in the risk factors of smoking, hyperlipidemia and hypertension have contributed to the decrease in the rate of morbidity and mortality of patients with ischemic heart disease. However, the first clinical event of ischemic heart disease, the so-called "heart attack" and sudden cardiac death continues to present problems, as the mechanisms involved in these events are poorly understood. It has long been thought that ischemic heart disease is the sequence of an organic fixed atherosclerotic obstruction of the epicardial coronary arteries and the role of coronary vasomotion has been given much less attention. Recent clinical and laboratory animal studies revealed that increased tonus and spasm of the large epicardial coronary arteries are the cause of various stages of ischemic heart disease. The role of coronary vasospasm in the development of un stable angina, sudden cardiac death and acute myocardial infarction remains open to debate. Pharmacophysiological studies showed that the epicardial large coronary artery contributes only 5% to regulation of normal coronary flow.

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