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Author: Abraham Noordergraaf
Publisher: Elsevier
ISBN: 0323141412
Category : Nature
Languages : en
Pages : 368
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Book Description
Circulatory System Dynamics reviews cardiovascular dynamics from the analytical viewpoint and indicates ways in which the accumulated knowledge can be expanded and applied to further enhance understanding of the normal mammalian circulation, to ascertain the nature of difficulties associated with disease, and to test the effect of treatment. Comprised of 10 chapters, this volume begins with an overview of the circulatory system, including its anatomy and the trigger for myocardial (heart muscle) contraction. The discussion then turns to measurement of blood pressure using invasive and non-invasive techniques; blood flow measurement, with emphasis on cardiac output and measurement in the microcirculation; the system and pulmonary arterial trees; and pulsatile pressure and flow in pulmonary veins. Subsequent chapters explore microcirculation and the anatomy of the microvasculature; the heart and coronary circulation, paying particular attention to the Frank-Starling mechanism and indices of myocardial "contractility"; and control of blood pressure, peripheral resistance, and cerebral flow. The last two chapters deal with circulatory assistance and the closed cardiovascular system. This book will be of interest to students, practitioners, and researchers in fields ranging from physiology and biology to biochemistry and biophysics.
Author: Abraham Noordergraaf
Publisher: Elsevier
ISBN: 0323141412
Category : Nature
Languages : en
Pages : 368
Get Book
Book Description
Circulatory System Dynamics reviews cardiovascular dynamics from the analytical viewpoint and indicates ways in which the accumulated knowledge can be expanded and applied to further enhance understanding of the normal mammalian circulation, to ascertain the nature of difficulties associated with disease, and to test the effect of treatment. Comprised of 10 chapters, this volume begins with an overview of the circulatory system, including its anatomy and the trigger for myocardial (heart muscle) contraction. The discussion then turns to measurement of blood pressure using invasive and non-invasive techniques; blood flow measurement, with emphasis on cardiac output and measurement in the microcirculation; the system and pulmonary arterial trees; and pulsatile pressure and flow in pulmonary veins. Subsequent chapters explore microcirculation and the anatomy of the microvasculature; the heart and coronary circulation, paying particular attention to the Frank-Starling mechanism and indices of myocardial "contractility"; and control of blood pressure, peripheral resistance, and cerebral flow. The last two chapters deal with circulatory assistance and the closed cardiovascular system. This book will be of interest to students, practitioners, and researchers in fields ranging from physiology and biology to biochemistry and biophysics.
Author: T. Kenner
Publisher: Springer
ISBN: 1489966935
Category : Nature
Languages : en
Pages : 660
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Book Description
Author: J. Baan
Publisher: Springer Science & Business Media
ISBN: 940098796X
Category : Medical
Languages : en
Pages : 539
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Book Description
Cardiac Dynamics is the name of a relatively young field of study, born from the fruitful interaction between branches of two different disciplines: medicine and physics. "Dynamics" is the branch of physics which deals with the action of forces on bodies or particles in motion or at rest. "Cardiac" relates to the clinical field of cardiology but also to cardiophysiology, both of which are specialized branches of medicine. Narrower than the well established field of Hemodynamics, Cardiac Dynamics is restricted to dynamic phenomena occurring in and around the heart. The mathematical treatment of such phenomena, however, is vastly more complex because of the intricate nature of the mechanisms involved in the cardiac action. Thus, whereas hemodynamics is concerned with predominantly passive (visco-) elastic structures - vessels - containing time-variant flow of viscous flui- blood -, the mechanical study of the heart requires additional con siderations such as: active elastic components representing the contractile mechanism of cardiac muscle, complex geometry and fiber structure in the myocardial wall, autoregulatory mechanisms, and intricate flow patterns associated with valve motion. Viewed in this light it is not surprising that attempts to describe ventricular pump function and to quantify contractile performance have not reached the level of sophistication which is common in e. g. arterial hemodynamics. For the same reason, many of the often simplified approaches to describe ventricular mechanics failed to stand up to more rigorous theoretical, experimental or clinical testing.
Author: D.H. Bergel
Publisher: Elsevier
ISBN: 0323152694
Category : Science
Languages : en
Pages : 388
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Book Description
Cardiovascular Fluid Dynamics, Volume 1 explores some problems and concepts of mammalian cardiovascular function, with emphasis on experimental studies and methods. It considers pressure measurement in experimental physiology, including the measurements of pulsatile flow, flow velocity, lengths, and dimensions; the use of control theory and systems analysis in cardiovascular dynamics; the application of computer models in cardiovascular research; the meaning and measurement of myocardial contractility; and the consequences of the steady-state analysis of arterial function. Organized into 10 chapters, this volume begins with an overview of the mammalian cardiovascular system and the essential features of cardiovascular function. It then discusses the practical problems associated with the use of pressure transducers in physiological and cardiac laboratories, the challenges involved in pulsatile flow measurement using flowmeters and thermal devices, and the mechanical analysis of the circulatory system. It explains some computer modeling techniques used in investigating the hemodynamics of the cardiovascular system, including the heart and heart muscle; basic concepts of muscle mechanics and the mechanical properties of cardiac muscle; the fluid mechanics of heart valves; and the pressure and flow in large arteries. The book concludes with a chapter on vascular resistance and vascular input impedance. This book is intended for biologists, physical scientists, and others interested in cardiovascular physiology.
Author: Jan Baan
Publisher: MIT Press (MA)
ISBN:
Category : Medical
Languages : en
Pages : 640
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Book Description
This book offers a novel approach to the study of the mammalian cardiovascular system. Instead of focusing on a particular part of the system or on a particular group of techniques, or approaching the system from a particular point of view, it stresses a balanced presentation of ideas: —all the major component parts of the system are discussed, as well as the behavior of the system as an integrated whole —both basic and clinical viewpoints are represented —both detailed analysis and comprehensive synthesis are offered. In addition, trends in modern instrumentation and the use of computers in improving patient care are important and recurrent themes. Spirited discussions of current controversies and philosophies highlight the presentations. The 62 papers in this volume were invited for a major international conference, held in April 1975, which marked the coming of age of this field and led to the founding of the Cardiovascular System Dynamics Society. The conference brought together outstanding researchers in the life sciences (biology, physiology, medicine) and the physical sciences (biophysics, bioengineering) in order to integrate their findings more intricately and to chart the present state and future directions of the field. Since the cardiovascular system has been one of the first areas to receive attention under the newly emerging symbiosis between engineering and medicine, the book also serves a useful secondary purpose as a model of what can be accomplished by such integrated effort. The papers are organized into 12 sections. The first 9 offer a tour of the cardiovascular system, with papers arranged within each section to lead the reader from theoretical to clinical viewpoints. Included are sections on cardiac muscle, coronary circulation, ventricular dynamics, systemic arterial tree, microcirculation, systemic veins, pulmonary vasculature, control mechanisms in specific vascular beds, and cardiovascular system control. The last 3 sections offer tutorial overviews of theoretical and experimental methods applied to the cardiovascular system and of cardiovascular instrumentation and computer analysis.
Author: Roland N. Pittman
Publisher: Biota Publishing
ISBN: 1615047212
Category : Medical
Languages : en
Pages : 117
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Book Description
This presentation describes various aspects of the regulation of tissue oxygenation, including the roles of the circulatory system, respiratory system, and blood, the carrier of oxygen within these components of the cardiorespiratory system. The respiratory system takes oxygen from the atmosphere and transports it by diffusion from the air in the alveoli to the blood flowing through the pulmonary capillaries. The cardiovascular system then moves the oxygenated blood from the heart to the microcirculation of the various organs by convection, where oxygen is released from hemoglobin in the red blood cells and moves to the parenchymal cells of each tissue by diffusion. Oxygen that has diffused into cells is then utilized in the mitochondria to produce adenosine triphosphate (ATP), the energy currency of all cells. The mitochondria are able to produce ATP until the oxygen tension or PO2 on the cell surface falls to a critical level of about 4–5 mm Hg. Thus, in order to meet the energetic needs of cells, it is important to maintain a continuous supply of oxygen to the mitochondria at or above the critical PO2 . In order to accomplish this desired outcome, the cardiorespiratory system, including the blood, must be capable of regulation to ensure survival of all tissues under a wide range of circumstances. The purpose of this presentation is to provide basic information about the operation and regulation of the cardiovascular and respiratory systems, as well as the properties of the blood and parenchymal cells, so that a fundamental understanding of the regulation of tissue oxygenation is achieved.
Author: T. Kenner
Publisher: Springer
ISBN: 9780306407277
Category : Nature
Languages : en
Pages : 668
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Book Description
Author: Li John K-j
Publisher: World Scientific
ISBN: 9814723762
Category : Technology & Engineering
Languages : en
Pages : 296
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Book Description
The first edition of the book was written employing mathematical techniques to formulate the physical principles involved in the structural and functional correlates of the underlying physiology.This current and self-contained second edition updates many of the new findings since its first edition a decade ago. It also includes a new chapter on the 'Interaction with the Heart'. The dynamics of the arterial system, the venous system, the microcirculation and their interaction with the heart are quantitatively described in terms of their structures and functions. Clinical measurements, applications to the cardiovascular field and physiological mechanisms are clearly identified throughout the text. Most importantly, worked examples are provided, such that the readers can appreciate the application aspects of the underlying formulation.
Author: Thomas Kenner
Publisher:
ISBN:
Category :
Languages : en
Pages : 668
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Book Description
Author: Stefano Govoni
Publisher: Springer
ISBN: 9783030280079
Category : Medical
Languages : en
Pages : 0
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Book Description
This ambitious and comprehensive handbook represents an essential contribution to our current understanding of interactions between heart and brain, a research topic generating growing interest. Despite the increasing awareness that neural mechanisms are the primary cause of cardiac disease and its progression, therapy continues to focus on end-organ protection and does not approach the neural core of the problem. Growing public health problems such as heart failure are still treated with autonomic drugs that are 30-40 years old and simply act on cardiac receptors. However, it has now been shown that the progression of ischemic heart disease to heart failure is mainly due to abnormal central responses to incipient cardiac disease, with neural activation the primary cause rather than the consequence of cardiac remodeling. Written by leading international experts in their respective research areas, the book presents a variety of perspectives on the core topic: from social and philosophical to gender-related aspects. It is designed for a broad readership and includes dedicated sections for cardiologists, psychiatrists, neurologists and psychotherapists looking for a more insightful and targeted approach to neuro-cardiovascular disease.
