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Author: Loring B. Rowell
Publisher:
ISBN: 9780195073621
Category : Language Arts & Disciplines
Languages : en
Pages : 522
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Book Description
This new analysis of reflex and hormonal control of the human cardiovascular system developed from questions raised in Human Circulation: During Physical Stress (Rowell, 1986) and from recent findings. The goal is to help students, physiologists and clinicians understand the control of pressure, vascular volume, and blood flow by examining the cardiovascular system during orthostasis and exercise, two stresses that most affect these variables. A discussion of the passive physical properties of the vascular system provides a basis for explaining how vascular control is modified by mechanical, neural, and humoral factors. Interactive effects of the vasculature on cardiac performance are emphasized; they reveal the importance of autonomic control, supplemented by muscle pumping, in maintaining adequate ventricular filling pressure. The author's detailed analysis of how total oxygen consumption is restricted focuses on limitations in cardiac pumping ability, oxygen diffusion from lungs to blood and from blood to active muscle, oxidative metabolism and neural control of organ blood flow. An unsolved mystery is the nature of the signals that govern the cardiovascular responses to exercise. This is discussed in a new and critical synthesis of ideas and evidence concerning the "error signals" that are sensed and then corrected by activation of the autonomic nervous system during exercise.
Author: Loring B. Rowell
Publisher:
ISBN: 9780195073621
Category : Language Arts & Disciplines
Languages : en
Pages : 522
Get Book Here
Book Description
This new analysis of reflex and hormonal control of the human cardiovascular system developed from questions raised in Human Circulation: During Physical Stress (Rowell, 1986) and from recent findings. The goal is to help students, physiologists and clinicians understand the control of pressure, vascular volume, and blood flow by examining the cardiovascular system during orthostasis and exercise, two stresses that most affect these variables. A discussion of the passive physical properties of the vascular system provides a basis for explaining how vascular control is modified by mechanical, neural, and humoral factors. Interactive effects of the vasculature on cardiac performance are emphasized; they reveal the importance of autonomic control, supplemented by muscle pumping, in maintaining adequate ventricular filling pressure. The author's detailed analysis of how total oxygen consumption is restricted focuses on limitations in cardiac pumping ability, oxygen diffusion from lungs to blood and from blood to active muscle, oxidative metabolism and neural control of organ blood flow. An unsolved mystery is the nature of the signals that govern the cardiovascular responses to exercise. This is discussed in a new and critical synthesis of ideas and evidence concerning the "error signals" that are sensed and then corrected by activation of the autonomic nervous system during exercise.
Author:
Publisher:
ISBN:
Category : Physiology
Languages : en
Pages : 500
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Book Description
Author: Robert M. Berne
Publisher:
ISBN:
Category : Blood
Languages : en
Pages : 500
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Book Description
Author: M. Di Rienzo
Publisher: IOS Press
ISBN: 9789051993127
Category : Medical
Languages : en
Pages : 278
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Book Description
An increasing number of studies indicate that the analysis of blood pressure and heart rate variability may be a valuable tool for the investigation of the mechanisms responsible for cardiovascular regulation in physiological and pathological conditions. The reader can find in the first part of this book an updated review of the techniques currently employed for the computer analysis of these signals with a particular attention to the most innovative approaches based on the non-linear analysis (including applications of the chaos theory, fractal analysis, I/f modelling) and the time-variant estimation of BP and HR characteristics. The biological interpretation of the results obtained by these computerized procedures and the applicability of these techniques in a clinical setting are fully addressed in the second part of the book.
Author: John Thompson Shepherd
Publisher:
ISBN: 9780683076936
Category : Blood
Languages : en
Pages : 660
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Book Description
Author: Julien D. Périard
Publisher: Springer
ISBN: 3319935151
Category : Medical
Languages : en
Pages : 294
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Book Description
The book is designed to provide a flowing description of the physiology of heat stress, the illnesses associated with heat exposure, recommendations on optimising health and performance, and an examination of Olympic sports played in potentially hot environmental conditions. In the first section the book examines how heat stress effects performance by outlining the basics of thermoregulation and how these responses impact on cardiovascular, central nervous system, and skeletal muscle function. It also outlines the pathophysiology and treatment of exertional heat illness, as well as the role of hydration status during exercise in the heat. Thereafter, countermeasures (e.g. cooling and heat acclimation) are covered and an explanation as to how they may aid in decreasing the incidence of heat illness and minimise the impairment in performance is provided. A novel and particular feature of the book is its inclusion of sport-specific chapters in which the influence of heat stress on performance and health is described, as well as strategies and policies adopted by the governing bodies in trying to offset the deleterious role of thermal strain. Given the breadth and scope of the sections, the book will be a reference guide for clinicians, practitioners, coaches, athletes, researchers, and students.
Author:
Publisher:
ISBN:
Category : Physiology
Languages : en
Pages : 500
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Book Description
Author:
Publisher: Elsevier
ISBN: 0444639136
Category : Medical
Languages : en
Pages : 498
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Book Description
Thermoregulation, Part I: From Basic Neuroscience to Clinical Neurology, Volume 154, not only reviews how body temperature regulation changes in neurological diseases, but also how this aspect affects the course and outcomes of each disease. Other sections of the volume review three therapeutic approaches that are aimed at manipulating body temperature, including induced hypothermia, induced hyperthermia and antipyretic therapy. The book is comprised of nine sections across two volumes, five dealing with the basic aspects of body temperature regulation and four dealing with the clinical aspects. Basic sections cover the Thermoregulation system, Thermoreceptors, Thermoeffectors, Neural pathways, and Thermoregulation as a homeostatic function. In addition, the book covers the physiology and neuroanatomy of the thermoregulation system and provides descriptions of how the regulation of body temperature intervenes with other physiological functions (such as sleep, osmoregulation, and immunity), stress, exercise and aging. Basic sections serve as an introduction to the four clinical sections: Body Temperature, Clinical Significance, Abnormal Body Temperature, Thermoregulation in Neurological Disease and Therapeutic Interventions. - Presents a clear, logical pathway from the fundamental physiology of thermoregulation, through neurobiology, to clinical applications and disease - Enables researchers and clinicians to better understand the value of temperature measurement in disease and the use of temperature as a therapy - Integrates content from a broad field of research, including topics on the molecular physiology of temperature receptors, to the management of accidental hypothermia
Author: American Physiological Society (1887- )
Publisher:
ISBN: 9780683076936
Category : Blood flow
Languages : en
Pages : 500
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Book Description
Author: Loring B. Rowell
Publisher: Oxford University Press, USA
ISBN:
Category : Medical
Languages : en
Pages : 440
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Book Description
Here is the first single-volume work to analyze in a comprehensive manner the mechanisms by which the human cardiovascular system adjusts to physical stresses such as exercise, heat, upright posture, and hypoxia. Emphasizing the regulation of regional blood flow and blood volume, the work delineates the unique character of the human cardiovascular system and the regulatory problems it faces. It represents a timely response to the growing interest in cardiovascular health, exercise, and physical conditioning. In describing the basic mechanisms of vasomotor control, the author focuses on the interaction between the arterial and venous systems. He indicates how control of regional circulations interacts with control of venous volume and cardiac performance, showing how vasomotor and venomotor regulation serves the entire organism. This treatment redresses an imbalance in contemporary teaching of cardiovascular physiology which has focused more on the heart than on the vasculature. The book utilizes graphics imaginatively throughout to clarify concepts in a fresh and effective way. Features: * Analytical, quantitative, and problem oriented * Uniquely comprehensive; coverage extends from small blood vessel functioning to the entire system * Imaginatively illustrated, with exceptionally clear graphics that explain basic principles and controversial ideas * Original, new ideas on how peripheral circulation influences heart performance * Probes the upper limits of human cardiovascular function, their causes and how they change
