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Books > Medicine > Other branches of medicine > Medical imaging

Myocardial Viability (Hardcover, 2nd rev. ed. 2000): A. E. Iskandrian, Ernst E. van der Wall Myocardial Viability (Hardcover, 2nd rev. ed. 2000)
A. E. Iskandrian, Ernst E. van der Wall
R4,722 Discovery Miles 47 220 Ships in 18 - 22 working days

AMI E. ISKANDRIAN & ERNST E. VAN DER WALL The first edition of this book was published in 1994. Since then important advances have occurred in the field of myocardial viability. This, coupled with increasing interest by the scientific community in the broader issues of its relevance to patient care, suggested to us the need to write the second edition. We are most fortunate to have the help of a distinguished group of experts who have helped shape the field; we appreciate their commitments and contributions. Almost all chapters have been radically modified. Chapter 1 deals with pathophysiology of myocardial hibernation and stunning; Chapter 2 with apoptosis; Chapter 3 with the role of positron emission tomography; Chapters 4 and 5 with the role of single photon emission computed tomography with thallium-201 and technetium agents, respectively; Chapter 6 with the role of SPECT fatty acid imaging; Chapter 7 with the role of SPECT FDG imaging; Chapter 8 with the role of cardiac catheterization angiography; Chapter 9 with the role of echocardiography; Chapter 10 with the role of magnetic resonance imaging; and Chapter 11 with clinical applications. Finally, Chapter 12 provides a short summary.

Imaging of the Sternocostoclavicular Region (Hardcover, 2007 ed.): Anne Grethe Jurik Imaging of the Sternocostoclavicular Region (Hardcover, 2007 ed.)
Anne Grethe Jurik
R2,675 Discovery Miles 26 750 Ships in 18 - 22 working days

This book offers a review of the normal histopathological anatomy, imaging techniques and diagnostic findings for a broad spectrum of clinical problems. It includes a classification of inflammatory syndromes previously described under several different terms. It is the first textbook to describe the imaging of all anterior chest wall disorders.

Echocardiography in Coronary Artery Disease (Hardcover, 1988 ed.): Cees Visser, Gerard Kan, Richard S. Meltzer Echocardiography in Coronary Artery Disease (Hardcover, 1988 ed.)
Cees Visser, Gerard Kan, Richard S. Meltzer
R5,179 Discovery Miles 51 790 Ships in 18 - 22 working days

Some 25 years ago, the coronary care unit concentrated high technology and the acutely ill patients who might benefit from it in a single, recognizable space. Since then, that space and its technical equipment have changed, as has part of its population. Acute ischemia, silent and manifest, occurs within and outside of the coronary care unit as pain, arrhythmia, or pump failure. Its detection and treatment require the utilization of many diagnostic techniques and skills, not the least of which is two-dimensional Doppler echocardio graphy, which is gaining importance. Future developments, in tandem with computer technology, may add to this importance by enabling tissue identification, spatial representation, and Doppler flow mapping. This book describes the state of the art for the practicing clinician using Doppler echocardi?graphy at the bedside of patients with acute ischemic manifestations of coronary heart disease. The first requirement is to move from the echo laboratory to the coronary care unit, emergency department, operating room, or catheterization laboratory, using equipment suited for that purpose. The second, more trying imperative is to secure good cooper Ition between those treating the acutely ill patient and the investigator who interferes with his probes. If successful ceeding in both, rewarding results can be obtained, since echocardiography is a very sensitive and specific tool for recognizing and quantifying early ischemia.

Bone Diseases - Macroscopic, Histological, and Radiological Diagnosis of Structural Changes in the Skeleton (Hardcover, 2000... Bone Diseases - Macroscopic, Histological, and Radiological Diagnosis of Structural Changes in the Skeleton (Hardcover, 2000 ed.)
F Steel; Foreword by F. Feldmann; Claus-Peter Adler; Translated by J. Steel; Foreword by D.C. Dahlin
R5,389 Discovery Miles 53 890 Ships in 18 - 22 working days

A comprehensive description of macroscopic, microscopic, and radiological methods for the diagnosis of bone diseases. The book presents all the procedures involved in diagnosis, using not only radiological and histological techniques, but also modern immunohistochemical and scintigraphic methods. Succinct and well-structured therapeutic recommendations are provided for an array of bone diseases, making this a practice-oriented reference work for pathologists, radiologists, rheumatologists, and orthopedists.

Quantitative Coronary Angiography in Clinical Practice (Hardcover, 1994 ed.): P.W. Serruys, D. P. Foley, Pim J. de Feyter Quantitative Coronary Angiography in Clinical Practice (Hardcover, 1994 ed.)
P.W. Serruys, D. P. Foley, Pim J. de Feyter
R13,016 Discovery Miles 130 160 Ships in 18 - 22 working days

Quantitative coronary angiography has become an invaluable tool for the interventional cardiologist, providing objective and reproducible measurements of coronary artery dimensions, which can be used to study progression or regression of coronary atherosclerosis, as well as the immediate and long term effects of percutaneous interventions. Until recently, this powerful imaging technology was confined to a small number of so-called high level institutions. Fortunately, with the development of digital cardiac imaging equipment and adaptation of cine-angiographically based computer software for on-line use in the catheterization room, quantitative coronary angiography is now available to all interventionalists. This book is a timely guide for the impending QCA user, providing practical as well as theoretical and scientific information. A comprehensive evaluation of the clinical usefulness of QCA is covered, from the fundamental principles through experimental validation studies, application to clinical trials of a wide range of pharmacological and interventional therapies in the full spectrum of clinical presentation of coronary disease syndromes, evaluation of the therapeutic efficacy of various new devices for coronary intervention, together with extensive presentation of its physiological, functional and anatomical correlations, by comparison with other intracoronary measurement and imaging techniques. In addition, evolving theories and concepts in the ever topical restenosis phenomenon' after percutaneous intervention, based on serial QCA studies, are presented and discussed and a potentially unifying methodological approach to further study of this ubiquitous problem is offered. Thisbook, thanks to the collaboration of many experts in the field of intracoronary imaging and measurement, provides stimulating, interesting and practical information, both for the academic scientist and practising clinician.

Neuropathologic and Neuroradiologic Correlations - A Differential Diagnostic Text and Atlas (Mixed media product): Murat... Neuropathologic and Neuroradiologic Correlations - A Differential Diagnostic Text and Atlas (Mixed media product)
Murat Gokden, Manoj Kumar
R4,886 Discovery Miles 48 860 Ships in 10 - 15 working days

Neuroscience is an evolving, complex, and multidisciplinary field of medicine. Neuroradiologists and neuropathologists are an important part of the multidisciplinary team, in addition to neurosurgeons, neurologists, and other disciplines. Featuring over nine hundred images, this practical textbook and atlas combines the specialties of neuroradiology and neuropathology, providing an extensive understanding of the disease process. It offers a comprehensive review of the nervous system diseases, including eye, skeletal muscle, and bone and soft tissue diseases. Topics are covered in chapters arranged by region, allowing for quick reference of conditions such as brain tumors, spinal cord diseases, or congenital malformations. Introductory chapters on pathologic and radiologic techniques are also featured, enabling specialists of both areas to familiarize themselves with the other's subject. Packaged with a password to give the user online access to all the text and images, this is a must-have resource for comprehensive and accurate diagnosis.

Neural Correlates of Thinking (Hardcover, 2009 ed.): Eduard Kraft, Balazs Gulyas, Ernst Poeppel Neural Correlates of Thinking (Hardcover, 2009 ed.)
Eduard Kraft, Balazs Gulyas, Ernst Poeppel
R5,174 Discovery Miles 51 740 Ships in 18 - 22 working days

The advances in neuroimaging technologies have led to substantial progress in understanding the neural mechanisms of cognitive functions. Thinking and reasoning have only recently been addressed by using neuroimaging techniques. The present book comprehensively explores current approaches and contributions to understanding the neural mechanisms of thinking in a concise and readable manner. It provides an insight into the state of the art and the potentials, but also the limitations of current neuroimaging methods for studying cognitive functions. The book will be a valuable companion for everyone interested in one of the most fascinating topics of cognitive neuroscience.

Radiation Oncology Advances (Hardcover, 2008 ed.): Soren M. Bentzen, Paul M. Harari, T. Rockwell Mackie, Minesh P. Mehta Radiation Oncology Advances (Hardcover, 2008 ed.)
Soren M. Bentzen, Paul M. Harari, T. Rockwell Mackie, Minesh P. Mehta
R4,066 Discovery Miles 40 660 Ships in 18 - 22 working days

This book provides an up-to-date comprehensive overview of the exciting new developments shaping the current and future practice of radiation oncology. Advances in treatment planning and delivery, in biological targeted therapies combined with radiation and in functional and molecular imaging are all covered in a single volume. All of these advances are discussed by leading experts in the field and with a critical evaluation of their clinical relevance throughout.

Essentials of Body MRI (Hardcover): William E. Brant, Eduard E. de Lange Essentials of Body MRI (Hardcover)
William E. Brant, Eduard E. de Lange
R5,456 Discovery Miles 54 560 Ships in 10 - 15 working days

Essentials of Body MRI extensively covers the field, offering clear and detailed guidance on MRI as an invaluable tool for the primary diagnosis and problem solving of diseases of the body, including the abdomen, liver, pancreas, pelvis, heart, urinary tract, and great vessels. The beginning chapters focus on the physics, pulse sequences and other practical considerations related to body MR imaging to help the reader fully understand the imaging appearance of clinical disease. The remaining chapters discuss the clinical applications, with the topics spanning from the normal anatomic structures and diagnosis of abdominal, pelvic, cardiac and vascular diseases to the modality's role as a tool for solving diagnostic problems. The key points of each chapter are boxed as "Essentials to Remember" for rapid review and learning. Written in clear, accessible text, and featuring 887 figures and numerous tables, Essentials of Body MRI is a resource that the radiology resident and physician will turn to again and again.

Principles of Radiological Health and Safety (Hardcover): JE Martin Principles of Radiological Health and Safety (Hardcover)
JE Martin
R4,826 Discovery Miles 48 260 Ships in 18 - 22 working days

A practical guide to radiation safety

Many health and scientific professionals require a basic understanding of radiological safety principles, even and especially if they are not specialists in radiological health. Principles of Radiological Health and Safety is designed for this purpose as well as a resource for safety personnel who also handle radiation safety duties. It is a text of basic concepts needed in broad-based protection programs, with real-world examples and practice problems to demonstrate principles and hone skills.

Resource data for practical problems in radiation protection are provided along with illustrative examples of their use. For example, modes and energies of radioactive transformation, radiation attenuation and absorption, dose coefficients, and environmental transport parameters are included for many of the common circumstances encountered in laboratory and industrial settings. these are cross referenced to standard compendiums for straightforward use when more in-depth listings need to be consulted. Other topics include:

  • Atom structure and radioactivity
  • Radiation protection standards and programs
  • Radiation interactions and dose
  • Environmental radiological assessment
  • Radiation shielding
  • Radon
  • Internal radiation dosimetry
  • Radioactive waste

Safety professionals as well as students and teachers will find Principles of Radiological Health and Safety to be an invaluable addition to their professional and academic libraries.

Photodynamic Therapy - From Theory to Application (Hardcover, 2014 ed.): Mahmoud H. Abdel-Kader Photodynamic Therapy - From Theory to Application (Hardcover, 2014 ed.)
Mahmoud H. Abdel-Kader
R4,049 Discovery Miles 40 490 Ships in 18 - 22 working days

Photodynamic Therapy: From Theory to Application brings attention to an exceptional treatment strategy, which until now has not achieved the recognition and breadth of applications it deserves. The authors, all experts and pioneers in their field, discuss the history and basic principles of PDT, as well as the fundamentals of the theory, methods, and instrumentation of clinical diagnosis and treatment of cancer. Non-oncological applications such as the use of PDT in control of parasites and noxious insects are also discussed. This book serves as a standard reference for researchers and students at all levels, clinical specialists interested in the topic and those in industry exploring new areas for development. A comprehensive exposition of both the theory and application of PDT, this book fills the gaps in the current literature by bringing together both basic understanding of the process of PDT and an expanded vision of its applications.

Steding's and Viragh's Scanning Electron Microscopy Atlas of the Developing Human Heart (Hardcover, 2007 ed.): R.J.... Steding's and Viragh's Scanning Electron Microscopy Atlas of the Developing Human Heart (Hardcover, 2007 ed.)
R.J. Oostra, Gerd Steding, Wout H. Lamers, Antoon F.M. Moorman
R4,048 Discovery Miles 40 480 Ships in 18 - 22 working days

This atlas comprises a complete and extensive exposure of the spatial and temporal aspects of human cardiac development as seen with scanning electron microscopy. Apart from serving as a unique overview on cardiac development in the human embryo, this atlas gives an updated morphological reference of cardiac embryology for topographic correlation and enables the projection of experimental results in animals to the human situation.

Final FRCR Part B Viva: 100 Cases and Revision Notes (Paperback): Richard White, Robin Proctor, Ian Zealley Final FRCR Part B Viva: 100 Cases and Revision Notes (Paperback)
Richard White, Robin Proctor, Ian Zealley
R1,535 Discovery Miles 15 350 Ships in 10 - 15 working days

Final FRCR Viva: 100 Cases and Revision Notes provides an invaluable collection of high quality cases to enable radiological trainees to fully prepare for the FRCR Part B Viva exam. Focussing solely on providing the knowledge necessary to pass one of the toughest exam components, 100 common viva topics are presented, each one accompanied by model answers and tips on how to discuss the case in question. Contains 100 typical exam cases, with accompanying scripts (model answers) and relevant key points Model answers enhanced with concise revision notes Highly illustrated with images and diagrams to aid understanding of differential diagnoses Authors include experienced consultant radiologists involved in FRCR training

Decision Making in Radiation Oncology - Volume 2 (Hardcover, Edition.): Jiade J. Lu, Luther W. Brady Decision Making in Radiation Oncology - Volume 2 (Hardcover, Edition.)
Jiade J. Lu, Luther W. Brady
R7,068 Discovery Miles 70 680 Ships in 18 - 22 working days

"Decision Making in Radiation Oncology" is a reference book designed to enable radiation oncologists, including those in training, to make diagnostic and treatment decisions effectively and efficiently. The design is based on the belief that a picture is worth a thousand words. Knowledge is conveyed through an illustrative approach using algorithms, schemas, graphics, and tables. Detailed guidelines are provided for multidisciplinary cancer management and radiation therapy techniques. In addition to the attention-riveting algorithms for diagnosis and treatment, strategies for the management of disease at individual stages are detailed for all the commonly diagnosed malignancies. Clinical trials that have yielded gold standard treatment and their results are documented in the schemas. Moreover, radiation techniques, including treatment planning and delivery, are presented in an illustrative way. This groundbreaking publication is an essential tool for physicians in their daily clinical practice."

Advances in Echo Imaging Using Contrast Enhancement (Hardcover, 2nd ed. 1997): N.C. Nanda, Reinhard Schlief, B.B. Goldberg Advances in Echo Imaging Using Contrast Enhancement (Hardcover, 2nd ed. 1997)
N.C. Nanda, Reinhard Schlief, B.B. Goldberg
R1,607 Discovery Miles 16 070 Ships in 18 - 22 working days

The first edition of this definitive text ran to 24 chapters. The second edition, reflecting the explosive growth of interest in echo-enhancement, contains 44. The first section deals with some of the most important emerging issues and technologies and covers harmonic imaging, the use of echo-enhancers to provide quantitative information, and the application of enhanced power Doppler to tissue imaging. The second, on contrast echocardiography, explores the use of echo-enhancement during transesophageal imaging. One chapter describes the use of contrast-enhancement transesophageal imaging to determine coronary flow reserve and another gives a detailed account of the application of the technique to the evaluation of left ventricular function. Other authors describe the intraoperative use of contrast echocardiography and discuss the potential of myocardial contrast echocardiography to replace thallium scintigraphy. Another chapter covers the emerging technique of transient response imaging and its role in the assessment of myocardial perfusion, and two chapters are devoted to three-dimensional contrast echocardiographic assessment of myocardial perfusion. Use of echo-enhancement in the evaluation of peripheral circulation is discussed in chapters on carotid and peripheral arterial flow imaging and others that describe renal and hepatic vascular imaging. The newer applications of echo-enhancement outside the cardiovascular system are described in three chapters devoted to the visualization of tumour vasculature. The final chapters look to the future and cover the imaging of intramyocardial vasculature, the development of site-specific agents and the emergence of the new acoustically active agents.

Structure Computation and Dynamics in Protein NMR (Hardcover, 1999 ed.): N. Rama Krishna, Lawrence J. Berliner Structure Computation and Dynamics in Protein NMR (Hardcover, 1999 ed.)
N. Rama Krishna, Lawrence J. Berliner
R7,946 Discovery Miles 79 460 Ships in 18 - 22 working days

Volume 17 is the second in a special topic series devoted to modern techniques in protein NMR, under the Biological Magnetic Resonance series. Volume 16, with the subtitle Modern Techniques in Protein NMR , is the first in this series. These two volumes present some of the recent, significant advances in the biomolecular NMR field with emphasis on developments during the last five years. We are honored to have brought together in these volume some of the world s foremost experts who have provided broad leadership in advancing this field. Volume 16 contains - vances in two broad categories: I. Large Proteins, Complexes, and Membrane Proteins and II. Pulse Methods. Volume 17 contains major advances in: I. Com- tational Methods and II. Structure and Dynamics. The opening chapter of volume 17 starts with a consideration of some important aspects of modeling from spectroscopic and diffraction data by Wilfred van Gunsteren and his colleagues. The next two chapters deal with combined automated assignments and protein structure determination, an area of intense research in many laboratories since the traditional manual methods are often inadequate or laborious in handling large volumes of NMR data on large proteins. First, Werner Braun and his associates describe their experience with the NOAH/DIAMOD protocol developed in their laboratory.

Imaging of Occupational and Environmental Disorders of the Chest (Hardcover, 2006 ed.): Pierre Alain Gevenois, Paul De Vuyst Imaging of Occupational and Environmental Disorders of the Chest (Hardcover, 2006 ed.)
Pierre Alain Gevenois, Paul De Vuyst
R4,780 Discovery Miles 47 800 Ships in 18 - 22 working days

The spectrum of occupational and environmental diseases has changed markedly in recent years. New industrial processes have led to the production and use of a wide range of chemicals, metals, and alloys, an increasing number of which have been reported to cause interstitial lung disease in exposed workers. Thus, while the workforce in coal mining and asbestos handling has decreased, new groups of workers are at risk of exposure to agents potentially responsible for pneumoconiosis. This well-illustrated book, written by internationally acclaimed experts, provides a comprehensive approach to modern imaging of environmental and occupational diseases of the chest. The first part of the book addresses the basic knowledge required to understand imaging in this context, while the second focuses on the imaging results achieved in a variety of specific disorders. There is particular emphasis on thin-section computed tomography since this technique facilitates the detection of early subclinical abnormalities.

First FRCR Anatomy - Mock Papers (Paperback): Jamie Weir First FRCR Anatomy - Mock Papers (Paperback)
Jamie Weir
R1,419 Discovery Miles 14 190 Ships in 10 - 15 working days

FRCS General Surgery: 500 SBAs and EMIs offers the most comprehensive coverage of practice questions for trainees preparing for the FRCS General Surgery exam. Presented in a clear layout, chapters are mapped to the syllabus to deliver structured revision in all the key topics. Featuring a wealth of practice questions and fully descriptive answers, this book provides the essential revision tool to maximise chances of exam success. 500 Single Best Answers and Extended Matching Items, reflecting topics encountered in the exam Answers feature concise, case-based descriptions to consolidate knowledge Highly illustrated to improve understanding of key concepts Extensive evidence-based references to relate theory to clinical practice

ExpertDDx: Abdomen and Pelvis (Hardcover, 3rd edition): Atif Zaheer, Siva P. Raman, Bryan R Foster, Ghaneh Fananapazir ExpertDDx: Abdomen and Pelvis (Hardcover, 3rd edition)
Atif Zaheer, Siva P. Raman, Bryan R Foster, Ghaneh Fananapazir
R6,022 Discovery Miles 60 220 Ships in 10 - 15 working days

Highly practical and user-friendly, ExpertDDx: Abdomen and Pelvis, third edition, helps you reach accurate, clinically useful differential diagnoses in your everyday practice. It presents the most useful differential diagnoses for each region of the abdomen and pelvis, grouped according to anatomic location, generic imaging findings, modality-specific findings, or clinical-based indications. Each differential diagnosis includes several high-quality, succinctly annotated images; a list of diagnostic possibilities sorted as common, less common, and rare but important; and brief, bulleted text offering helpful diagnostic clues. It's an excellent resource for subspecialty abdominal imagers as well as general radiologists and trainees, providing invaluable assistance in reaching logical, on-target differential diagnoses based on key imaging findings and clinical details. Covers 175 of the most common diagnostic challenges in abdominal and pelvic imaging, enhanced by more than 2,100 radiologic images, full-color illustrations, clinical and histologic photographs, and gross pathology images Provides a quick review of the salient features of each entity, differentiating features from other similar-appearing abnormalities Includes new chapters on hematuria, flank pain, acute scrotal pain, and seminal vesicle Adds greater focus to advancing prostate imaging methods with expanded content on lesions in the peripheral zone and lesions in the transition zone, as well as new coverage of transplant imaging Contains updates to numerous classifications, including LI-RADS for liver, O-RADS for ovarian masses, and the Tanaka classification for pancreatic cysts Features new MR examples and MR-specific diagnoses throughout, plus new differentials for contrast-enhanced ultrasound findings related to liver and kidney lesions Includes the enhanced eBook version, which allows you to search all text, figures, and references on a variety of devices

Computed Tomography of the Retroperitoneum - An Anatomical and Pathological Atlas with Emphasis on the Fascial Planes... Computed Tomography of the Retroperitoneum - An Anatomical and Pathological Atlas with Emphasis on the Fascial Planes (Hardcover, 1983 ed.)
Michiel A. M. Feldberg
R5,307 Discovery Miles 53 070 Ships in 18 - 22 working days

With the advent of CT we entered a new area of radiological imaging. Structures which rarely if ever were seen became apparent. In no part of the body was the impact of CT as profound as it was in the retroperitoneum. In the pre-CT area this region of the body could not be directly studied and only when gross abnormalities were present could they be appreciated. The best we could do was to try to identify a suspected process by studying its effect on surrounding organs whose position might have been affected by the growth. Urography, barium studies or angiography were employed in the hope that variation in the position of the vessels, ureter or bowel would lead us to the correct diagnosis. With computed tomography all this changed. Modern scanners, available to all today, permit us to appreciate details undreamed of only few years ago. The abundance of fat in this region helps to clearly show even the smallest of structures. We now have the ability to recognize small vessels, lymph nodes and fascial planes. We had a tool which permitted us to study structures which hitherto were only seen by the anatomist or during surgical dissection.

Modern Techniques in Protein NMR (Hardcover, 1999): N. Rama Krishna, Lawrence J. Berliner Modern Techniques in Protein NMR (Hardcover, 1999)
N. Rama Krishna, Lawrence J. Berliner
R5,209 Discovery Miles 52 090 Ships in 18 - 22 working days

Volume 16 marks the beginning of a special topic series devoted to modern techniques in protein NMR, under the Biological Magnetic Resonance series. This volume is being followed by Volume 17 with the subtitle Structure Computation and Dynamics in Protein NMR. Volumes 16 and 17 present some of the recent, significant advances in biomolecular NMR field with emphasis on developments during the last five years. We are honored to have brought together in these volumes some of the world's foremost experts who have provided broad leadership in advancing this field. Volume 16 contains advances in two broad categories: the first, Large Proteins, Complexes, and Membrane Proteins, and second, Pulse Methods. Volume 17, which will follow covers major advances in Computational Methods, and Structure and Dynamics. In the opening chapter of Volume 16, Marius Clore and Angela Gronenborn give a brief review of NMR strategies including the use of long range restraints in the structure determination of large proteins and protein complexes. In the next two chapters, Lewis Kay and Ron Venters and their collaborators describe state-of-t- art advances in the study of perdeuterated large proteins. They are followed by Stanley Opella and co-workers who present recent developments in the study of membrane proteins. (A related topic dealing with magnetic field induced residual dipolar couplings in proteins will appear in the section on Structure and Dynamics in Volume 17).

Contrast Agents I - Magnetic Resonance Imaging (Hardcover, 2002 ed.): Werner Krause Contrast Agents I - Magnetic Resonance Imaging (Hardcover, 2002 ed.)
Werner Krause
R7,663 Discovery Miles 76 630 Ships in 18 - 22 working days

Extracellular MRI and X-ray contrast agents are characterized by their phar- cokinetic behaviour.After intravascular injection their plasma-level time curve is characeterized by two phases. The agents are rapidly distributed between plasma and interstitial spaces followed by renal elimination with a terminal half-live of approximatly 1-2 hours. They are excreted via the kidneys in unchanged form by glomerular filtration. Extracellular water-soluble contrast agents to be applied for X-ray imaging were introduced into clinical practice in 1923. Since that time they have proved to be most valuable tools in diagnostics.They contain iodine as the element of choice with a sufficiently high atomic weight difference to organic tissue. As positive contrast agents their attenuation of radiation is higher compared with the attenuation of the surrounding tissue. By this contrast enhancement X-ray diagnostics could be improved dramatically. In 2,4,6-triiodobenzoic acid derivatives iodine is firmly bound. Nowadays diamides of the 2,4,6-triiodo-5-acylamino-isophthalic acid like iopromide (Ultravist, Fig. 1) are used as non-ionic (neutral) X-ray contrast agents in most cases [1].

The Physics and Mathematics of MRI (Hardcover): Richard Ansorge, Martin Graves The Physics and Mathematics of MRI (Hardcover)
Richard Ansorge, Martin Graves
R2,267 Discovery Miles 22 670 Ships in 18 - 22 working days

Magnetic Resonance Imaging is a very important clinical imaging tool. It combines different fields of physics and engineering in a uniquely complex way. MRI is also surprisingly versatile, 'pulse sequences' can be designed to yield many different types of contrast. This versatility is unique to MRI. This short book gives both an in depth account of the methods used for the operation and construction of modern MRI systems and also the principles of sequence design and many examples of applications. An important additional feature of this book is the detailed discussion of the mathematical principles used in building optimal MRI systems and for sequence design. The mathematical discussion is very suitable for undergraduates attending medical physics courses. It is also more complete than usually found in alternative books for physical scientists or more clinically orientated works.

Current Directions in Radiopharmaceutical Research and Development (Hardcover, 1996 ed.): Steven J. Mather Current Directions in Radiopharmaceutical Research and Development (Hardcover, 1996 ed.)
Steven J. Mather
R4,146 Discovery Miles 41 460 Ships in 18 - 22 working days

Radiophannaceutical research has recently undergone a major change in direction. In past years it has been concerned mainly with the development of perfusion tracers, the biodistribution of which reflect the regional blood flow to areas of major organs such as the heart and brain. However, a major new direction of interest now lies in the development of receptor-binding radio-tracers which can be used to perform in-vivo characterisation of diseased tissues and it is likely that much of the future research in this field will follow this direction. The difficulties in developing such tracers are considerable. The researcher must first identify a promising target for radiopharmaceutical development. High specific activity radioactive molecules must be designed and synthesised which will both bind to the target receptor with high affinity, and also have the physicochemical characteristics which will allow them to reach the target site in sufficient quantity while at the same time showing minimal uptake in non-target tissues. Thus the knowledge base required for radiophannaceutical development has now expanded beyond the limits of radiopharmaceutical chemistry to include aspects of biochemistry, molecular biology and conventional drug design. The portfolio of basic knowledge required to support current radiopharmaceutical development is changing and scientists working in this arena need to be trained in this regard. At the same time, the very latest developments in the field need to be communicated to the scientific community in order to stimulate the advancement of this exciting new direction of research.

Essentials of Abdominal Ultrasound (Hardcover): Samia Ali Abdo Gamie, Enas Mahmoud Foda Essentials of Abdominal Ultrasound (Hardcover)
Samia Ali Abdo Gamie, Enas Mahmoud Foda
R3,055 Discovery Miles 30 550 Ships in 18 - 22 working days
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