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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 Here
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: Michael J. Parnham
Publisher: Elsevier
ISBN: 0443184437
Category : Medical
Languages : en
Pages : 376
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Book Description
Haemodynamics and Immune Defence: Discoveries in Pharmacology, Second Edition, Volume Three presents selected articles from the historic Discoveries in Pharmacology series that are enhanced with commentary from contemporary scholars who discuss the reception and importance of each chapter along with an updated bibliography on the subject and contributions from those involved in Nobel Prize winning discoveries and pioneering advancements in Pharmacology. This volume brings forth discussions on key discoveries in hemodynamics and immune defense, including chapters on penicillin by Dr. Selwyn and asthma by Dr. Brocklehurst. Academic and industry researchers in pharmacology and medicine, as well as advanced students in the area, will find this useful teaching tool and launch to new discoveries. Chapters can also be used to supplement course material in pharmacology and medical courses. It will also be of interest to those who are interested in the history of medicine. - Contains important primary-source documents currently unavailable - Presents the science behind major pharmacological breakthroughs by those who discovered them - Includes commentary that contextualizes the importance of discoveries and related readings
Author: Institute of Medicine
Publisher: National Academies Press
ISBN: 0309173183
Category : Medical
Languages : en
Pages : 722
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Book Description
Every aspect of immune function and host defense is dependent upon a proper supply and balance of nutrients. Severe malnutrition can cause significant alteration in immune response, but even subclinical deficits may be associated with an impaired immune response, and an increased risk of infection. Infectious diseases have accounted for more off-duty days during major wars than combat wounds or nonbattle injuries. Combined stressors may reduce the normal ability of soldiers to resist pathogens, increase their susceptibility to biological warfare agents, and reduce the effectiveness of vaccines intended to protect them. There is also a concern with the inappropriate use of dietary supplements. This book, one of a series, examines the impact of various types of stressors and the role of specific dietary nutrients in maintaining immune function of military personnel in the field. It reviews the impact of compromised nutrition status on immune function; the interaction of health, exercise, and stress (both physical and psychological) in immune function; and the role of nutritional supplements and newer biotechnology methods reported to enhance immune function. The first part of the book contains the committee's workshop summary and evaluation of ongoing research by Army scientists on immune status in special forces troops, responses to the Army's questions, conclusions, and recommendations. The rest of the book contains papers contributed by workshop speakers, grouped under such broad topics as an introduction to what is known about immune function, the assessment of immune function, the effect of nutrition, and the relation between the many and varied stresses encountered by military personnel and their effect on health.
Author: Charles S. Kleinman
Publisher: Elsevier Health Sciences
ISBN: 1416031626
Category : Medical
Languages : en
Pages : 449
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Book Description
Hemodynamics and Cardiology, a volume in Dr. Polin's Neonatology: Questions and Controversies Series, offers expert authority on the toughest cardiovascular challenges you face in your practice. This medical reference book will help you provide better evidence-based care and improve patient outcomes with research on the latest advances. Reconsider how you handle difficult practice issues with coverage that addresses these topics head on and offers opinions from the leading experts in the field, supported by evidence whenever possible. Find information quickly and easily with a consistent chapter organization. Get the most authoritative advice available from world-class neonatologists who have the inside track on new trends and developments in neonatal care. Purchase each volume individually, or get the entire 6-volume set, which includes online access that allows you to search across all titles! Stay current in practice with coverage on issues such as the clinical implications of near-infrared spectroscopy in neonates, MRI imaging and neonatal hemodynamics, and hybrid management techniques for congenital heart disease. Access the fully searchable text online at www.expertconsult.com.
Author: United States. Public Health Service. Office of the Surgeon General
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 728
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Book Description
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.
Author: William Kemp
Publisher: McGraw Hill Professional
ISBN: 0071593799
Category : Medical
Languages : en
Pages : 458
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Book Description
Get the BIG PICTURE of Pathology - and focus on what you really need to know to score high on the course and board exam If you want a streamlined and definitive look at Pathology - one with just the right balance of information to give you the edge at exam time - turn to Pathology: The Big Picture. You'll find a succinct, user-friendly presentation especially designed to make even the most complex concept understandable in the shortest amount of study time possible. This perfect pictorial and textual overview of Pathology delivers: A “Big Picture” emphasis on what you must know verses “what's nice to know” Expert authorship by award-winning, active instructors Coverage of the full range of pathology topics - everything from cellular adaptations and injury to genetic disorders to inflammation to diseases of immunity Magnificent 4-color illustrations Numerous summary tables and figures for quick reference and rapid retention of even the most difficult topic Highlighted key concepts that underscore integral aspects of histology (key concepts are also listed in a table at the end of each chapter) USMLE-type questions, answers, and explanations to help you anticipate what you'll encounter on the exams And much more!
Author: Tzung K. Hsiai
Publisher: World Scientific
ISBN: 9814280410
Category : Medical
Languages : en
Pages : 380
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Book Description
The book represents a paradigm shift from the traditional static model of investigation of oxidative biology to the dynamic model of vascular oxidative stress. The investigation of vascular biology and cardiovascular medicine is made possible by the use of tissue engineering, nanotechnology and stem cell research. This is the first textbook to target a wide readership from academia to industry and government agencies in the field of cardiovascular diseases.
Author:
Publisher: Elsevier
ISBN: 0128203897
Category : Science
Languages : en
Pages : 442
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Book Description
The Handbook of Clinical Neurology series volumes provide comprehensive summaries of recent research on the brain and nervous system as they relate to clinical neurology. Cardiac disorders and diseases may often co-occur with, or cause, subsequent neurological disorders. Heart and Neurologic Disease identifies the top cardiac diseases and disorders most likely to have neurological disorders, how they will present, and how they are best treated. It identifies the mechanisms of action explaining why the conditions co-occur, and what clinicians should look for symptom wise, and how risk may be assessed. Coverage includes genetic cardiac disorders, cardiac trauma, surgery, infection, disease, and arrhythmia. - Identifies the top cardiac diseases and disorders most likely to have neurological complications - Specifies how the neurological complication will present and advance and how it should be treated - Discusses the mechanism of action—why the two conditions co-occur - Includes genetic conditions, trauma, surgery, infection, disease, arrythmias, and more - Covers prevention and risk assessment
Author: Dane Nichols
Publisher: Elsevier Health Sciences
ISBN: 1455700215
Category : Medical
Languages : en
Pages : 207
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Book Description
Guest Editor Dane Nichols, MD, has assembled a panel of experts focusing on Hemodynamic Support in Septic Shock. Topics include: Oxygen Delivery and Consumption: A Macro-Circulatory Perspective; Mean Arterial Pressure: Therapeutic Goals and Pharmacologic Support,Mechanisms; Detection and Potential Management of Microcirculatory Disturbances; Detection of Hypoxia at the Cellular Level; Type A & B Lactic Acidosis: Recognition, Kinetics, and Associated Prognosis; Venous blood gases: What Can They Tell Us About the State of the Circulation; Noninvasive Assessment of Cardiac Preload and Performance through CO2 Rebreathing/ETCO2 Monitoring.
Author: Vinay Kumar
Publisher:
ISBN:
Category : Medical
Languages : en
Pages : 906
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Book Description
Offers a picture of the central body of knowledge of human pathology, with a clinicopathologic orientation. Wherever possible, the impact of molecular pathology on the practice of medicine is highlighted. This textbook of human pathology is for medical and allied health students.
