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Author: Udho Thadani Publisher: Springer Science & Business Media ISBN: 1461311357 Category : Medical Languages : en Pages : 292
Book Description
Nitrates remain among the most commonly used therapeutic agents in cardiology. That they can re lieve pain in angina pectoris has been known at least since 1867, when Lauder Brunton described their clinical use. Now, almost 130 years later, we are constantly learning more about their optimal use in anginal syndromes. For example, there is no doubt that nitrate tolerance occurs, but equally no doubt that certain drug dosages help to attenuate such toler ance. Thus, our understanding of nitrate tolerance has been taken further by the advent of new nitrate preparations and by studies at a basic science level. The current intense interest in nitrates has been rekindled by the growing emphasis on the role of the endothelium in the production of nitric oxide, a basic cardiovascular regulator. If nitric oxide is vasodilator and protects the vascular endothelium, then nitrates should also have similar properties. Hence this book starts off with the role of the endothelium and ni trates in vasodilation. Next, the mechanisms of ac tion of nitrates are considered with emphasis on the role of cyclic GMP. The chief limitation to the use of nitrates lies in nitrate tolerance. After carefully looking at all the evidence, the authors of the third chapter conclude that the mechanism is likely to be multifactorial. The mechanism responsible for the tolerance still remains unknown. In vitro tolerance may be due to enhanced production of vascular superoxide [1].
Author: Udho Thadani Publisher: Springer Science & Business Media ISBN: 1461311357 Category : Medical Languages : en Pages : 292
Book Description
Nitrates remain among the most commonly used therapeutic agents in cardiology. That they can re lieve pain in angina pectoris has been known at least since 1867, when Lauder Brunton described their clinical use. Now, almost 130 years later, we are constantly learning more about their optimal use in anginal syndromes. For example, there is no doubt that nitrate tolerance occurs, but equally no doubt that certain drug dosages help to attenuate such toler ance. Thus, our understanding of nitrate tolerance has been taken further by the advent of new nitrate preparations and by studies at a basic science level. The current intense interest in nitrates has been rekindled by the growing emphasis on the role of the endothelium in the production of nitric oxide, a basic cardiovascular regulator. If nitric oxide is vasodilator and protects the vascular endothelium, then nitrates should also have similar properties. Hence this book starts off with the role of the endothelium and ni trates in vasodilation. Next, the mechanisms of ac tion of nitrates are considered with emphasis on the role of cyclic GMP. The chief limitation to the use of nitrates lies in nitrate tolerance. After carefully looking at all the evidence, the authors of the third chapter conclude that the mechanism is likely to be multifactorial. The mechanism responsible for the tolerance still remains unknown. In vitro tolerance may be due to enhanced production of vascular superoxide [1].
Author: P. Needleman Publisher: Springer Science & Business Media ISBN: 364266024X Category : Medical Languages : en Pages : 206
Book Description
Nitroglycerin and other organic nitrates have been used for over a century in the treatment of angina pectoris. Millions of patients, throughout the world, have placed nitroglycerin tablets under the tongue and have experienced rapid and dramatic relief from the chest pain that frequently occurs as a manifestation of disease of the coronary arteries. The empirical observation of the safe use of nitrates for tile alleviation of the symptoms of angina have led to their widespread medical acceptance. The use of organic nitrates preceded any knowledge of their mechanism of action or their ultimate metabolic fate. Thus, more simply stated, although sub lingual nitrates helped the patients, little was known concerning what these drugs do to the body or what the body does to the drugs. A substantial number of investigators have focused on these questions especially during the last two decades. We now have considerably more insight into the pathways of degradation of organic nitrates and the relationship of the metabolic processes to the biological action of these agents. Similarly, considerable effort has been expended in understanding the mechanism of action of these agents directly on vascular smooth muscle and on cardiac work and performance. Finally, there is a more substantive understanding of the physiology of the coronary circulation as well as the" pathophysiologic manifestations of myocardial disease.
Author: Michael T. Murray, N.D. Publisher: Clarkson Potter ISBN: 0385345712 Category : Cooking Languages : en Pages : 386
Book Description
With fifty new recipes and new information on the benefits of juicing and juice cleanses, here is the completely revised and updated edition of this juicing category killer. The first completely revised edition of this juicing classic, The Complete Book of Juicing is packed with new information on super fruits such as pomegranate and papaya, weight-loss and juice fasts, immune function, juicers, and more. With one hundred fruit and vegetable recipes and a fresh new package, this book is a user-friendly and fun necessity for any juicing kitchen.
Author: Jiping Liu Publisher: Springer ISBN: 9811366470 Category : Science Languages : en Pages : 694
Book Description
The idea of this book is to present the up-to-date research results on Nitrate Esters as explosive materials. It covers many aspects including the material structures, nitrating agent, chemical synthesis devices, preparation technology, and applications etc. In particular, this work sheds light on the comprehensive utilization and thorough destruction of the used Nitrate Easters which is crucial for preventing repeated pollution. This is a highly informative and instructive book providing insight for the researchers working on nitrating theory, energetic materials and chemical equipments.
Author: Richard N. Harrison Publisher: Elsevier Health Sciences ISBN: 0702076678 Category : Medical Languages : en Pages : 467
Book Description
Are you a nurse, a physician's associate or a medical student in an acute or emergency unit? This is your indispensable primer of acute medical care – a pocket guide to caring for patients with acute medical conditions. This book will help you to - care for patients in the first critical 24 hours of admission - manage patients using the most up-to-date evidence based approach - understand the most common emergency medical conditions and their underlying disease mechanisms - handle the patient's assessment , understand the observations and manage their disease - easily obtain clear practical advice - know what to tell the patient and relatives using jargon-free language - access information on SARS, avian influenza and bio-terrorism This updated edition - contains improved sections on stroke care, diabetes and sepsis, - introduces the NEWS 2 observation chart - has revised its case histories in line with current practice This updated edition: contains improved sections on stroke care, diabetes and sepsis, introduces the NEWS 2 observation chart has revised its case histories in line with current practice
Author: Larry W. Canter Publisher: CRC Press ISBN: 9780873715690 Category : Technology & Engineering Languages : en Pages : 284
Book Description
This time-saving book provides extensive coverage of all important aspects of nitrates in groundwater, ranging from prevention to problem assessment to remediation. It begins by highlighting the nitrogen cycle and related health concerns, providing both background information and a unique perspective on health issues. It then analyzes subsurface processes and the factors and practices that affect them. It thoroughly reviews aquifer vulnerability mapping, an emerging new management tool, and contains a nitrate pollution index that can be used in evaluating actual or potential nitrate pollution from agricultural areas. Best Management Practices are described and evaluated, and possible treatment measures are also explored. Thoroughly researched and well-organized, Nitrates in Groundwater provides a vivid snapshot of the status of nitrates in groundwater today.
Author: Tara Shanbhag Publisher: Elsevier India ISBN: 813126260X Category : Medical Languages : en Pages : 533
Book Description
The fourth edition of this book is thoroughly revised and updated in accordance with the syllabus of pharmacology recommended by the Medical Council of India. Following recent developments and advances in Pharmacology, the book provides factual, conceptual and applied aspects of the subject. It is designed to meet the needs of students pursuing undergraduate courses in medicine and also for the practicing doctors. Format based upon the pattern followed by the examiners in framing questions in the exams - both theory and practical Updated content with addition of specific description of drugs under short headings makes it easy to understand Textual presentation in tabular format helps in quick reading and recall Addition of new flowcharts, figures and tables to facilitate greater retention of knowledge Supplementing text with simple diagrams, self-explanatory flow charts, tables and student friendly mnemonics Point-wise presentation of information, useful for exam going UG students Core competencies prescribed by the MCI are covered and competency codes are included in the text Includes new topics on drug dosage forms and calculation of dosage of drugs Addition of cardiovascular drug summary table for quick revision
Author: Jean-Louis Vincent Publisher: Springer Science & Business Media ISBN: 3642351093 Category : Medical Languages : en Pages : 862
Book Description
The Yearbook compiles the most recent developments in experimental andclinical research and practice in one comprehensive reference book. Thechapters are written by well recognized experts in the field of intensive care and emergency medicine. It is addressed to everyone involved in internal medicine, anesthesia, surgery, pediatrics, intensive care and emergency medicine.
Author: Udho Thadani
Author: Udho Thadani
Author: P. Needleman
Author: Michael T. Murray, N.D.
Author: Jiping Liu
Author: Richard N. Harrison
Author: Larry W. Canter
Author: National Library of Medicine (U.S.)
Author: Tara Shanbhag
Author: Tom M. Addiscott
Author: Jean-Louis Vincent