The Multiple Inert Gas Elimination Technique (MIGET)

The Multiple Inert Gas Elimination Technique (MIGET)

Author: Susan R. Hopkins

Publisher: Springer

Published: 2017-12-01

Total Pages: 338

ISBN-13: 1493974416

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The Multiple Inert Gas Elimination Technique (MIGET) is a complex methodology involving specialized gas chromatography and sophisticated mathematics developed in the early 1970’s. Essentially, nobody possesses knowledge of all its elements except for its original developers, and while some practical and theoretical aspects have been published over the years, none have included the level of detail that would be necessary for a potential user to adopt and understand the technique easily. This book is unique in providing a highly detailed, comprehensive technical description of the theory and practice underlying the MIGET to help potential users set up the method and solve problems they may encounter. But it is much more than a reference manual – it is a substantial physiological and mathematical treatise in its own right. It also has a wide applicability – there is extensive discussion of the common biological problem of quantitative inference. The authors took measured whole-lung gas exchange variables, and used mathematical procedures to infer the distribution of ventilation and blood flow from this data. In so doing, they developed novel approaches to answer the question: What are the limits to what can be concluded when inferring the inner workings from the “black box” behavior of a system? The book details the approaches developed, which can be generalized to other similar distributed functions within tissues and organs. They involve engineering approaches such as linear and quadratic programming, and uniquely use mathematical tools with biological constraints to obtain as much information as possible about a “black box” system. Lastly, the book summarizes the hundreds of research papers published by a number of groups over the decades in a way never before attempted in order to marshal the world’s literature on the topic and to provide in one place the wealth of important discoveries, both physiological a nd clinical, enabled by the technique.


Applied Physiology in Intensive Care Medicine

Applied Physiology in Intensive Care Medicine

Author: Michael R. Pinsky

Publisher: Springer Science & Business Media

Published: 2007-05-19

Total Pages: 367

ISBN-13: 3540373632

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Te practice of intensive care medicine is at the very forefront of titration of treatment andmonitoringresponse. Te substrateofthiscareisthe criticallyill patientwho,by defnition, is at the limits of his or her physiologic reserve. Such patients need immediate, aggressive but balanced life-altering interventions to minimize the detrimental aspects of acute illness and hasten recovery. Treatmentdecisionsandresponsetotherapyareusually assessed by measures of physiologic function, such as assessed by cardio-respiratory monitoring. However, how one uses such information is ofen unclear and rarely supported by prospective clinical trials. In reality, the bedside clinician is forced to rely primarily on physiologic principles in determining the best treatments and response to therapy. However, the physiologic foundation present in practicing physicians is uneven and occasionally supported more by habit or prior training than science. A series of short papers published in Intensive Care Medicine since 2002 under the heading Physiologic Notes attempts to capture the essence of the physiologic perspectives that underpin both our understanding of disease and response to therapy. Tis present volume combines the complete list of these Physiologic Notes up until July 2006 with the ass o cia t ed r e vie w a r tic les o v er t h e s a m e in t er val t ha t a ls o addr ess e d t hes e cen tral issues.


Pulmonary Gas Exchange

Pulmonary Gas Exchange

Author: G. Kim Prisk

Publisher: Biota Publishing

Published: 2013-08-01

Total Pages: 88

ISBN-13: 1615044515

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The lung receives the entire cardiac output from the right heart and must load oxygen onto and unload carbon dioxide from perfusing blood in the correct amounts to meet the metabolic needs of the body. It does so through the process of passive diffusion. Effective diffusion is accomplished by intricate parallel structures of airways and blood vessels designed to bring ventilation and perfusion together in an appropriate ratio in the same place and at the same time. Gas exchange is determined by the ventilation-perfusion ratio in each of the gas exchange units of the lung. In the normal lung ventilation and perfusion are well matched, and the ventilation-perfusion ratio is remarkably uniform among lung units, such that the partial pressure of oxygen in the blood leaving the pulmonary capillaries is less than 10 Torr lower than that in the alveolar space. In disease, the disruption to ventilation-perfusion matching and to diffusional transport may result in inefficient gas exchange and arterial hypoxemia. This volume covers the basics of pulmonary gas exchange, providing a central understanding of the processes involved, the interactions between the components upon which gas exchange depends, and basic equations of the process.


Exercise Physiology

Exercise Physiology

Author: Philippe Connes

Publisher: IOS Press

Published: 2010

Total Pages: 692

ISBN-13: 1607504960

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There is no doubt that if the field of exercise physiology is to make further advancements, the various specialized areas must work together in solving the unique and difficult problems of understanding how exercise is initiated, maintained and regulated at many functional levels, and what causes us to quit. Exercise is perhaps the most complex of physiological functions, requiring the coordinated, integrated activation of essentially every cell, tissue and organ in the body. Such activation is known to take place at all levels - from molecular to systemic. Focusing on important issues addressed at cellular and systemic levels, this handbook presents state-of-the-art research in the field of exercise physiology. Each chapter serves as a comprehensive resource that will stimulate and challenge discussion in advanced students, researchers, physiologists, medical doctors and practitioners. Authored by respected exercise physiologists from nineteen countries, each chapter has been significantly updated to provide up-to-date coverage of the topics and to offer complete descriptions of the many facets of the most physiological responses from a cellular to an integrative approach within individual body systems in normal and disease states and includes some chapters that are rarely addressed in exercise physiology books, such as the influence of exercise on endothelium, vasomomotor control mechanisms, coagulation, immune function and rheological properties of blood, and their influence on hemodynamics. This book represents the first iteration to provide such a work. Normal exercise responses divided into muscle function, bioenergetics, and respiratory, cardiac and blood/vascular function; Fitness, training, exercise testing and limits to exercise; Exercise responses in different environments; Beneficial effects of exercise rehabilitation on ageing and in the prevention and treatment of disease states; Rarely addressed issues such as the influence of exercise on endothelium, vasomotor control mechanisms, coagulation, immune function and rheological properties of blood and their influence on hemodynamics. IOS Press is an international science, technical and medical publisher of high-quality books for academics, scientists, and professionals in all fields. Some of the areas we publish in: -Biomedicine -Oncology -Artificial intelligence -Databases and information systems -Maritime engineering -Nanotechnology -Geoengineering -All aspects of physics -E-governance -E-commerce -The knowledge economy -Urban studies -Arms control -Understanding and responding to terrorism -Medical informatics -Computer Sciences


Clinical Tests of Respiratory Function 3rd Edition

Clinical Tests of Respiratory Function 3rd Edition

Author: G John Gibson

Publisher: CRC Press

Published: 2008-11-28

Total Pages: 447

ISBN-13: 0340925612

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Already established as a 'classic' in the field, Clinical Tests of Respiratory Function presents an authoritative yet accessible account of this complex area, fusing the basic principles of respiratory physiology with applications in clinical practice across a wide range of disorders. This third edition has been extensively revised to reflect advances in our understanding of respiratory function at rest, on exercise and during sleep, together with technological developments related to investigation and treatment. Now subdivided into four practical sections, users can easily pick their desired topic, from the commonly used tests and their underlying physiological mechanisms to abnormalities of function in both respiratory and non-respiratory diseases. The book concludes with a helpful section on test interpretation, new to this edition. This eagerly awaited revision will quickly find a place on the bookshelves of all practitioners - clinicians and laboratory investigators - who have an interest in respiratory function. From the reviews of the second edition: 'skillfull achieves lucid descriptions of complex physiological concepts ..... a classsic within the pulmonary literature, providing a concise yet complete account of pulmonary physiology from a clinical perspective' British Journal of Hospital Medicine 'very useful...the book is authoritative, comprehensive, extensively referenced and - for a book on this topic - easy to read and understand' Thorax


Applied Physiology in Intensive Care Medicine

Applied Physiology in Intensive Care Medicine

Author: Michael R. Pinsky

Publisher: Springer Science & Business Media

Published: 2009-06-13

Total Pages: 454

ISBN-13: 364201769X

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Revised and updated for this second edition, this compendium is essential to the effective delivery of acute care medicine and has been written by renowned experts in the field. It will serve as an invaluable reference source on key everyday issues.


Applied Physiology in Intensive Care Medicine 1

Applied Physiology in Intensive Care Medicine 1

Author: Michael R. Pinsky

Publisher: Springer Science & Business Media

Published: 2013-05-22

Total Pages: 430

ISBN-13: 3642282709

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The two previous editions of Applied Physiology in Intensive Care Medicine proved extremely successful, and the book has now been revised and split into two volumes to enhance ease of use. This first volume comprises three elements -- "physiological notes," “technical notes,” and seminal studies. The physiological notes concisely and clearly capture the essence of the physiological perspectives underpinning our understanding of disease and response to therapy. The technical notes then succinctly explain some of the basics of “how to” in this technology-centered field of critical care medicine. Finally, a number of seminal studies are provided on diverse topics in intensive care. Applied Physiology in Intensive Care, written by some of the most renowned experts in the field, is an up-to-date compendium of practical bedside knowledge that will serve the clinician as an invaluable reference source on key issues regularly confronted in everyday practice.


Physiologic Basis of Respiratory Disease

Physiologic Basis of Respiratory Disease

Author: Qutayba Hamid

Publisher: PMPH-USA

Published: 2005

Total Pages: 824

ISBN-13: 9781550092363

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Accompanying CD-ROM contains ... "the complete text and illustrations ... in fully searchable PDF files."--Page 4 of cover.