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Author : Allan Ian Pack
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (181 download)
Download or read book Mathematical Models of Lung Function written by Allan Ian Pack and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jason H. T. Bates
Publisher : Cambridge University Press
ISBN 13 : 0521509602
Total Pages : 237 pages
Book Rating : 4.5/5 (215 download)
Download or read book Lung Mechanics written by Jason H. T. Bates and published by Cambridge University Press. This book was released on 2009-07-30 with total page 237 pages. Available in PDF, EPUB and Kindle. Book excerpt: A modern quantitative study of lung mechanics, relating mathematical modeling and engineering principles to lung function, structure, mechanics, and disease.
Author : Donald L. Vawter
Publisher :
ISBN 13 :
Total Pages : 55 pages
Book Rating : 4.:/5 (227 download)
Download or read book Measurement of Lung Function Using Magnetometers I. Principles and Mathematical Modeling written by Donald L. Vawter and published by . This book was released on 1979 with total page 55 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of magnetometer systems to predict pulmonary air volumes was studied. The sensitivity of the system to angular rotations was found to be small because magnetometers are normally mounted to the subject. Seven mathematical models for predicting volume were investigated, with the finding that two-parameter models are adequate for quiet breathing. For complicated maneuvers, a three-parameter model is necessary, and for predictive usefulness, the model must be calibrated using a complex maneuver. Results of studies of the dimensional changes, and the correlation between the dimensional changes, that occur during normal breathing are presented. (Author).
Author : Vladimir Kulish
Publisher : WIT Press
ISBN 13 : 1853129445
Total Pages : 241 pages
Book Rating : 4.8/5 (531 download)
Download or read book Human Respiration written by Vladimir Kulish and published by WIT Press. This book was released on 2006 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: This title discusses the anatomy and physiology of human respiration, some of the newest macro- and microscopic models of the respiratory system, numerical simulation and computer visualization of gas transport phenomena, and applications of these models to medical diagnostics, treatment and safety.
Author : Sanjukta Hota
Publisher :
ISBN 13 :
Total Pages : 142 pages
Book Rating : 4.:/5 (399 download)
Download or read book Mathematical Models of Respiratory Function written by Sanjukta Hota and published by . This book was released on 1998 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lisa Blum
Publisher :
ISBN 13 :
Total Pages : 66 pages
Book Rating : 4.:/5 (687 download)
Download or read book A Mathematical Model for Pulmonary Function Testing written by Lisa Blum and published by . This book was released on 1999 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 100 pages
Book Rating : 4.:/5 (856 download)
Download or read book Mathematical Model of Respiratory Function written by and published by . This book was released on 2006 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: There exists a need to simulate the function of the infant lung for evaluation, diagnosis, and treatment purposes. This can be accomplished with a mechanical lung simulator working in conjunction with an accurate, computerized control system, based upon a sound mathematical model that represents the behavior of the human respiratory system. This research is concerned with the development and analysis of an accurate (R 2 lower, upper = 0.997, 0.995) mathematical model to represent the breathing cycle from a pressure-volume (PV) perspective. The goal of this study is to accurately define a mathematical model that describes the PV behavior of the lungs using limited PV data points. The PV curve's shape is indicative of specific respiratory ailments; therefore the curve can be used for patient assessment and diagnosis. By using a hyperbolic tangent equation to express the lung behavior during inspiration, and an exponential equation for expiration, the condition of a patient can be accurately represented. Additionally, this model quantifies the work of breathing and identifies key features (points) on the PV curve to guide clinicians in selection of appropriate intervention. (Abstract shortened by UMI.).
Author : Jennine Mitchell
Publisher :
ISBN 13 :
Total Pages : 269 pages
Book Rating : 4.:/5 (75 download)
Download or read book A Computational Model of Inert Gas Mixing in the Lung written by Jennine Mitchell and published by . This book was released on 2011 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Roger Axe
Publisher :
ISBN 13 :
Total Pages : 450 pages
Book Rating : 4.F/5 ( download)
Download or read book A Mathematical Model of the Lung written by John Roger Axe and published by . This book was released on 1981 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ewald R. Weibel
Publisher : Harvard University Press
ISBN 13 : 9780674657915
Total Pages : 448 pages
Book Rating : 4.6/5 (579 download)
Download or read book The Pathway for Oxygen written by Ewald R. Weibel and published by Harvard University Press. This book was released on 1984 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is rare indeed for one book to be both a first-rate classroom text and a major contribution to scholarship. The Pathway for Oxygen is such a book, offering a new approach to respiratory physiology and morphology that quantitatively links the two. Professionalism in science has led to a compartmentalization of biology. Function is the domain of the physiologist, structure that of the morphologist, and they often operate with vastly disparate concepts and procedures. Yet the performance of the respiratory system depends both on structural and on functional properties that cannot be separated. The first chapter of The Pathway for Oxygen engages the student with the design and function of the vertebrate respiratory organs from a comparative viewpoint. The second chapter adds to that foundation the link between cell energetics and oxygen needs of the whole animal. With Chapter 3 the excitement begins--new ideas, fresh attacks on old problems, and a fuller account of the power of the quantitative approach Dr. Weibel has pioneered. The Pathway for Oxygen will be read eagerly by medical students, graduate students, advanced undergraduates in zoology--and by their professors.
Author : Bertrand Maury
Publisher : Springer Science & Business Media
ISBN 13 : 8847052149
Total Pages : 290 pages
Book Rating : 4.8/5 (47 download)
Download or read book The Respiratory System in Equations written by Bertrand Maury and published by Springer Science & Business Media. This book was released on 2013-05-13 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book proposes an introduction to the mathematical modeling of the respiratory system. A detailed introduction on the physiological aspects makes it accessible to a large audience without any prior knowledge on the lung. Different levels of description are proposed, from the lumped models with a small number of parameters (Ordinary Differential Equations), up to infinite dimensional models based on Partial Differential Equations. Besides these two types of differential equations, two chapters are dedicated to resistive networks, and to the way they can be used to investigate the dependence of the resistance of the lung upon geometrical characteristics. The theoretical analysis of the various models is provided, together with state-of-the-art techniques to compute approximate solutions, allowing comparisons with experimental measurements. The book contains several exercises, most of which are accessible to advanced undergraduate students.
Author : Brody Foy
Publisher :
ISBN 13 :
Total Pages : 180 pages
Book Rating : 4.:/5 (15 download)
Download or read book Applied Mathematical Modelling of Pulmonary Function Tests written by Brody Foy and published by . This book was released on 2018 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Almir Badnjevic
Publisher : Springer
ISBN 13 : 9811041660
Total Pages : 806 pages
Book Rating : 4.8/5 (11 download)
Download or read book CMBEBIH 2017 written by Almir Badnjevic and published by Springer. This book was released on 2017-03-14 with total page 806 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents the proceedings of the International Conference on Medical and Biological Engineering held from 16 to 18 March 2017 in Sarajevo, Bosnia and Herzegovina. Focusing on the theme of ‘Pursuing innovation. Shaping the future’, it highlights the latest advancements in Biomedical Engineering and also presents the latest findings, innovative solutions and emerging challenges in this field. Topics include: - Biomedical Signal Processing - Biomedical Imaging and Image Processing - Biosensors and Bioinstrumentation - Bio-Micro/Nano Technologies - Biomaterials - Biomechanics, Robotics and Minimally Invasive Surgery - Cardiovascular, Respiratory and Endocrine Systems Engineering - Neural and Rehabilitation Engineering - Molecular, Cellular and Tissue Engineering - Bioinformatics and Computational Biology - Clinical Engineering and Health Technology Assessment - Health Informatics, E-Health and Telemedicine - Biomedical Engineering Education - Pharmaceutical Engineering
Author : Cindy Thamrin
Publisher :
ISBN 13 :
Total Pages : 134 pages
Book Rating : 4.:/5 (225 download)
Download or read book Measurement of Lung Function Using Broadband Forced Oscillations written by Cindy Thamrin and published by . This book was released on 2006 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: [Truncated abstract] Respiratory system impedance (Zrs) is commonly measured at low to medium frequencies (0.5 - 40 Hz) to infer structural and physiological information about the respiratory system. Coupled with the use of mathematical models of the lungs, Zrs has been used to partition the behaviour of the conductive airways and the respiratory tissues. High-frequency (HF) Zrs beyond 100 Hz has been comparatively less studied and understood. Past work has revealed spectral features at high frequencies termed antiresonances, marked by peaks in the real part of Zrs, often coinciding with zero-crossings in the imaginary part. It has been shown that the first occurrence of antiresonance in humans primarily reflects the contribution of the airways, and is a property of sound wave propagation in the airways. Also, the first antiresonance is altered in diseases such as chronic airflow obstruction, and wheeze in infants. The main aim of this project is to shed further understanding about the first antiresonance, via the behaviour of two parameters characterising this feature of the HF spectrum: the frequency at which the first antiresonance occurs, far,1, and the magnitude of the real part of Zrs at this frequency, Rrs(far,1). In our studies, Zrs is measured as an input impedance using the forced oscillation technique with a loudspeaker-in-box and wavetube setup, and employing pseudorandom frequency signals. We studied the effects of altered lung conditions, first in an animal model, then progressed on to humans. v vi In the rat, we found that both far,1 and Rrs(far,1) tended to decrease together with increasing lung volume. With methacholine(MCh)-induced bronchoconstriction, rats showed increases in far,1 and Rrs(far,1) with increasing MCh dose, but these occurred at higher doses compared to increases in airway resistance. The changes in these HF parameters were independent of the changes in tissue properties. ... It was found that in a group of patients with emphysema, VDRrs(far,1) was significantly more negative, potentially due to alterations to airway dimensions and wall properties. Furthermore, VDRrs(far,1) was correlated with extent of obstruction and hyperinflation, suggesting a relationship with severity of emphysema. These results show that the first antiresonance reflect changes in the airways, and its measurement shows promise as a clinical tool, in its potential as an easy-to-perform assessor of conditions in which the airways are altered. Keywords: antiresonance, respiratory input impedance, high frequencies, emphysema.
Author : Donald L. Vawter
Publisher :
ISBN 13 :
Total Pages : 41 pages
Book Rating : 4.:/5 (227 download)
Download or read book Measurement of Lung Function Using Magnetometers II. Data Acquisition and Analysis written by Donald L. Vawter and published by . This book was released on 1979 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: A description of the software to analyze lung function using a spirometer-magnetometer system is presented. The software plots, compares, and processes the data and fits a variety of mathematical models to the data. The software package is designed for interactive use. A user guide is included. (Author).
Author :
Publisher :
ISBN 13 :
Total Pages : 100 pages
Book Rating : 4.:/5 (222 download)
Download or read book A Mathematical Model of the Human External Respiratory System written by and published by . This book was released on 1959 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study examines the thesis that a part of the human physiological system can be simulated by a suitably constructed mathematical model. The model employed derives from a class of mathematical programming methods that were originally developed for representing complex military and industrial activities and have recently been used to represent involved chemical equilibria. The motivation for this research is the long-range view that a successful mathematical simulation of the human system or of human subsystems would provide an important tool for biological investigations. A sufficiently complex mathematical model-that is, a model that embodies sufficiently complex mathematical model-that is, a model that embodies sufficient chemical and biological detail to represent a whole, functioning human system or subsystem-could be used to explore biological hypotheses, environmental stress reactions, and interplay of dependent subsystems, and could serve as a pedagogical tool or even as an aid to medical diagnosis. Of course, the foregoing long-range view is an ultimate goal. For the moment, only the techniques, concepts, and characteristics of such a mathematical model are being explored. This paper presents the results of a simulation of the external respiratory function. Respiration, and the consequent gas exchanges at the lung surfaces, involves many chemical reactions and a transformation of venous blood into arterial blood. This activity was chosen as a test cast to explore the feasibility of constructing a mathematical model of a human subsystem.
Author : Johnny T. Ottesen
Publisher : SIAM
ISBN 13 : 9780898718287
Total Pages : 311 pages
Book Rating : 4.7/5 (182 download)
Download or read book Applied Mathematical Models in Human Physiology written by Johnny T. Ottesen and published by SIAM. This book was released on 2004-01-01 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces mathematicians to real applications from physiology. Using mathematics to analyze physiological systems, the authors focus on models reflecting current research in cardiovascular and pulmonary physiology. In particular, they present models describing blood flow in the heart and the cardiovascular system, as well as the transport of oxygen and carbon dioxide through the respiratory system and a model for baroreceptor regulation.
