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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: Roland N. Pittman
Publisher: Biota Publishing
ISBN: 1615047212
Category : Medical
Languages : en
Pages : 117
Get Book
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: Michitoshi Inoue
Publisher: Springer Science & Business Media
ISBN: 4431683674
Category : Medical
Languages : en
Pages : 330
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Book Description
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.
Author: Joseph K. Perloff
Publisher: PMPH-USA
ISBN: 9781607950233
Category : Cardiovascular system
Languages : en
Pages : 292
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Book Description
Places emphasis on the physical examination. This title describes the physical signs and how they are elicited.
Author: J. Gordon Betts
Publisher:
ISBN: 9781947172807
Category :
Languages : en
Pages : 0
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Book Description
Author: C. G. Caro
Publisher: Cambridge University Press
ISBN: 0521151775
Category : Mathematics
Languages : en
Pages : 551
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Book Description
This classic book outlines the anatomy and physiology of the circulation and explains the mechanical principles that govern it.
Author: Alfred P. Fishman
Publisher: Springer
ISBN: 1461475465
Category : Medical
Languages : en
Pages : 871
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Book Description
Capturing the real spirit of creativity in physiology, this book explores the personal elements involved in scientific discovery. Circulation of the Blood is the story of the people and achievements that have changed the way we've come to view the human body. The authors, renowned for their extensive experience in the field, examine the heritage of creative genius involved in physiology and trace the historical development of ideas relating to various aspects of circulation of the blood. Their comprehensive coverage goes from the early discoveries of the Greeks and Romans up to modern times.
Author: William Harvey
Publisher: Cosimo, Inc.
ISBN: 1596052295
Category : Medical
Languages : en
Pages : 268
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Book Description
If the pulsations of the arteries fan and refrigerate the several parts of the body as the lungs do the heart, how comes it, as is commonly said, that the arteries carry the vital blood into the different parts, abundantly charged with vital spirits, which cherish the heat of these parts, sustain them when asleep, and recruit them when exhausted? and how should it happen that, if you tie the arteries, immediately the parts not only become torpid, and frigid, and look pale, but at length cease even to be nourished?-from the IntroductionThis seminal work of medical literature, first published in 1628, spells out in clear, lucid language how the human heart pumps blood around the body via its own exclusive circulatory route. What seems like an obvious concept to us today was in fact quite revolutionary at the time: Harvey's defiance of the medical "common knowledge" of his time laid the groundwork for all modern investigations of the circulatory system, and may be the most momentous discovery of 17th-century medicine.This important volume also includes a series of letters from Harvey to his medical colleagues in which he defends his then-astonishing theories, plus Harvey's "The Anatomy of Thomas Parr," a fascinating 1635 report on the dissection of the corpse of "a poor farmer of extremely advanced age."OF INTEREST TO: readers of scientific history, medical studentsBritish naturalist, anatomist, and doctor WILLIAM HARVEY (1578-1657) was educated at Cambridge, Canterbury, and Padua, and became a Fellow of the Royal College of Physicians in 1607. He served as court physician to both King James I and King Charles I.
Author: William Harvey
Publisher:
ISBN:
Category : Blood
Languages : en
Pages : 288
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Book Description
Author: Haider Warraich
Publisher: Macmillan + ORM
ISBN: 1250169712
Category : Medical
Languages : en
Pages : 211
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Book Description
In State of the Heart, Dr. Haider Warraich takes readers inside the ER, inside patients' rooms, and inside the history and science of cardiac disease. State of the Heart traces the entire arc of the heart, from the very first time it was depicted on stone tablets, to a future in which it may very well become redundant. While heart disease has been around for a while, the type of heart disease people have, why they have it, and how it’s treated is changing. Yet, the golden age of heart science is only just beginning. And with treatments of heart disease altering the very definitions of human life and death, there is no better time to look at the present and future of heart disease, the doctors and nurses who treat it, the patients and caregivers who live with it, and the stories they hold close to their chests. More people die of heart disease than any other disease in the world and when any form of heart disease progresses, it can result in the development of heart failure. Heart failure affects millions and can affect anyone at anytime, a child recovering from a viral infection, a woman who has just given birth or a cancer patient receiving chemotherapy. Yet new technology to treat heart failure is fundamentally changing just what it means to be human. Mechanical pumps can be surgically sown into patients’ hearts and when patients with these pumps get really sick, sometimes they don’t need a doctor or a surgeon—they need a mechanic. In State of the Heart, the journey to rid the world of heart disease is shown to be reflective of the journey of medical science at large. We are learning not only that women have as much heart disease as men, but that the type of heart disease women experience is diametrically different from that in men. We are learning that heart disease and cancer may have more in common than we could have imagined. And we are learning how human evolution itself may have led to the epidemic of heart disease. In understanding how our knowledge of the heart evolved, State of the Heart traces the twisting and turning road that science has taken—filled with potholes and blind turns—all the way back to its very origin.
Author: Jan Strackee
Publisher: CRC Press
ISBN:
Category : Art
Languages : en
Pages : 528
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Book Description
This book is aimed at those working on the physical aspects of heart and circulation. However, the book has a much wider scope: it also presents the physical and mathematical basis for the study of biological systems, not only as a way of thinking but also presenting basic information on all aspects of the cardiovascular system, such as fluid dynamics, elasticity, potential theory, mathematical modelling, etc. The book is of interest to graduate students and researchers in biomedical engineering, medical physics and the clinical sciences.
