Conversations On Cardiac Physiology
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Conversations on Cardiac Physiology
Author | : Mark Noble |
Publsiher | : Cambridge Scholars Publishing |
Total Pages | : 175 |
Release | : 2023-12-08 |
Genre | : Medical |
ISBN | : 9781527556416 |
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This book addresses and corrects widespread misconceptions regarding heart physiology. Such misconceptions include: the voltage in cells is attributed to potassium ion concentration differences between the extracellular and intracellular compartments, which are the same in all organs of the body, whereas the voltage in cells of these same organs vary widely. This book argues that depolarisation and repolarisation can be explained by electron outflow and mitochondrial production, respectively; and that the trigger for internal calcium ion release is calcium ions bound to the inner leaflet of the cell membrane. In the book, Starling’s Law is contrasted with contractility increase, and it is posited that hypertension is not caused by salty diet, coronary artery disease risk is not correlated with total cholesterol (rather, only with some specific cholesterols), and that drug administration should be titrated.
Handbook of Cardiac Anatomy Physiology and Devices
Author | : Paul A. Iaizzo |
Publsiher | : Springer |
Total Pages | : 817 |
Release | : 2015-11-13 |
Genre | : Medical |
ISBN | : 9783319194646 |
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This book covers the latest information on the anatomic features, underlying physiologic mechanisms, and treatments for diseases of the heart. Key chapters address animal models for cardiac research, cardiac mapping systems, heart-valve disease and genomics-based tools and technology. Once again, a companion of supplementary videos offer unique insights into the working heart that enhance the understanding of key points within the text. Comprehensive and state-of-the art, the Handbook of Cardiac Anatomy, Physiology and Devices, Third Edition provides clinicians and biomedical engineers alike with the authoritative information and background they need to work on and implement tomorrow’s generation of life-saving cardiac devices.
Physiology of the Heart
Author | : Arnold M. Katz |
Publsiher | : Lippincott Williams & Wilkins |
Total Pages | : 592 |
Release | : 2010-11-09 |
Genre | : Medical |
ISBN | : 9781608311712 |
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Dr. Arnold Katz's internationally acclaimed classic, Physiology of the Heart, is now in its thoroughly revised Fifth Edition, incorporating the latest molecular biology research and extensively exploring the clinical applications of these findings. In the single authored, expert voice that is this book's unique strength, Dr. Katz provides a comprehensive overview of the physiological and biophysical basis of cardiac function, beginning with structure and proceeding to biochemistry, biophysics, and pathophysiology in arrhythmias, ischemia, and heart failure. Emphasis is on the interrelationships of basic processes among the cell, cardiac muscle function, and the biophysics of contractile and electrical behavior. This edition includes new material on cell signaling and molecular biology.
Current Concepts in Cardiovascular Physiology
Author | : Oscar Garfein |
Publsiher | : Elsevier |
Total Pages | : 564 |
Release | : 2012-12-02 |
Genre | : Medical |
ISBN | : 9780323145961 |
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Current Concepts in Cardiovascular Physiology examines seven different areas related to the field of cardiac physiology. In addition to the biochemistry and receptor pharmacology of the heart, this book explores coronary physiology, cardiovascular function, and neural and reflex control of the circulation. The electrophysiology and biophysics of cardiac excitation are also considered, along with humoral control of the circulation. This monograph consists of seven chapters and opens with an overview of the biochemistry of the heart, with emphasis on cardiac energy metabolism and the ways in which metabolism and the biochemical pathways are controlled. The mechanisms whereby physiological events influence biochemical activities and vice versa are also discussed. The following chapters look at the chemistry and physiology of myocardial receptors; the complex interplay between the nervous and cardiovascular systems; and the chemical and hormonal factors that regulate, modify, and modulate the cardiovascular system. The influence of humoral, neural, intrinsic, vascular, and myocardial factors on coronary blood flow is also examined, along with muscle mechanics; the biochemical basis of contraction; cardiac function; and the factors determining the heart's electrophysiologic behavior. This text is directed primarily at clinical cardiologists, cardiovascular surgeons, and trainees in their disciplines, as well as internists, medical students, and house officers.
Excitation Contraction Coupling and Cardiac Contractile Force
Author | : Donald Bers |
Publsiher | : Springer Science & Business Media |
Total Pages | : 427 |
Release | : 2012-12-06 |
Genre | : Medical |
ISBN | : 9789401006583 |
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How is the heartbeat generated? What controls the strength of contraction of heart muscle? What are the links between cardiac structure and function? How does our understanding of skeletal and smooth muscle and non-muscle cells influence our thinking about force development in the heart? Are there important species differences in how contraction is regulated in the heart? How do the new molecular data fit together in understanding the heart beat? What goes wrong in ischemia, hypertrophy, and heart failure? This book paints a modern `portrait' of how the heart works and in this picture the author shows a close-up of the structural, biochemical, and physiological links between excitation and contraction. The author takes the reader through a series of important, interrelated topics with great clarity and continuity and also includes many useful illustrations and tables. The book starts by considering the cellular structures involved in excitation-contraction coupling and then described the characteristics of the myofilaments as the end effector of excitation-contraction coupling. A general scheme of calcium regulation is described and the possible sources and sinks of calcium are discussed in simple, but quantitative terms. The cardiac action potential and its many underlying currents are reviewed. Then the characteristics of some key calcium transport systems (calcium channels, sodium/calcium exchange and SR calcium uptake and release) are discussed in detail. This is then built into a more integrated picture of calcium regulation in succeeding chapters by detailed discussions of excitation-calcium coupling mechanisms (in skeletal, cardiac, and smooth muscle), the interplay between calcium regulatory processes, and finally mechanisms of cardiac inotropy, calcium overload, and dysfunction (e.g., ischemia, hypertrophy, and heart failure). Excitation-Contraction Coupling and Cardiac Contractile Force – Second Edition is an invaluable source of information for anyone who is interested in how the heart beat is controlled and especially suited for students of the cardiovascular system at all levels from medical/graduate students through senior investigators in related fields.
How Tobacco Smoke Causes Disease
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 728 |
Release | : 2010 |
Genre | : Government publications |
ISBN | : UCSD:31822037817723 |
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This report considers the biological and behavioral mechanisms that may underlie the pathogenicity of tobacco smoke. Many Surgeon General's reports have considered research findings on mechanisms in assessing the biological plausibility of associations observed in epidemiologic studies. Mechanisms of disease are important because they may provide plausibility, which is one of the guideline criteria for assessing evidence on causation. This report specifically reviews the evidence on the potential mechanisms by which smoking causes diseases and considers whether a mechanism is likely to be operative in the production of human disease by tobacco smoke. This evidence is relevant to understanding how smoking causes disease, to identifying those who may be particularly susceptible, and to assessing the potential risks of tobacco products.
Essentials of Cardiac Anesthesia E Book
Author | : Joel A. Kaplan |
Publsiher | : Elsevier Health Sciences |
Total Pages | : 766 |
Release | : 2008-08-15 |
Genre | : Medical |
ISBN | : 9781437711035 |
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Authored by the same stellar editors and contributors responsible for Kaplan's Cardiac Anesthesia, this title presents today's most essential clinical knowledge in cardiac anesthesia in a practical, user-friendly format. A manageable size and affordable price makes this an ideal purchase for every clinician who would like an economical yet dependable resource in cardiac anesthesia. Provides the key cardiac anesthesia information you need to know by authorities you trust. Uses a concise, user-friendly format that helps you locate the answers you need quickly. Features key points boxes in each chapter to help you quickly access the most crucial information. Includes annotated references that guide you to the most practical additional resources. Features a portable size and clinical emphasis that facilitates and enhances bedside patient care. Contains the authoritative guidance of larger reference books without the expense.
Cardiovascular Physiology
Author | : Carol Ann Margaret Courneya,Michael J. Parker |
Publsiher | : Lippincott Williams & Wilkins |
Total Pages | : 208 |
Release | : 2011 |
Genre | : Medical |
ISBN | : 9780781774857 |
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This text provides a clear, clinically oriented exposition of the essentials of cardiovascular physiology for medical students, residents, nurses, and allied health professionals. Detailed illustrations and online animated figures help students understand key cardiovascular concepts.