Calcium Entry Blockers in Cardiovascular and Cerebral Dysfunctions PDF Download
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Author: T. Godfraind
Publisher: Springer Science & Business Media
ISBN: 9400960336
Category : Medical
Languages : en
Pages : 313
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Book Description
2 The free internal Ca+ concentration in human red cells is set according to the leak 2 and-pump principle: There is a finite passive Ca+ influx at the physiological 2 2 Ca+ -gradient across the membrane which is compensated by Ca+ pumping in the outward direction with a rate given by the degree of saturation of the A TP-fuelled Ca 2 pump at the steady-state internal Ca+ concentration. Simons (1982) recently devised a method allowing the measurement of the steady 2 2 state internal Ca+ concentration. Cells are suspended in media of different Ca+ con 2 2 tent whose Ca+ concentration is monitored by a Ca+ -selective electrode. When the cells are lysed (by digitonin) there is an upward or downward deflection of the elec 2 trode signal. At the point of zero deflection, the cellular Ca+ concentration equals that 2 of the medium. The result is, that in fresh human red blood cells the Ca+ concentra tion is ;;;; O.4,uM (this is an upper estimate; the true value may be considerably lower).
Author: T. Godfraind
Publisher: Springer Science & Business Media
ISBN: 9400960336
Category : Medical
Languages : en
Pages : 313
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Book Description
2 The free internal Ca+ concentration in human red cells is set according to the leak 2 and-pump principle: There is a finite passive Ca+ influx at the physiological 2 2 Ca+ -gradient across the membrane which is compensated by Ca+ pumping in the outward direction with a rate given by the degree of saturation of the A TP-fuelled Ca 2 pump at the steady-state internal Ca+ concentration. Simons (1982) recently devised a method allowing the measurement of the steady 2 2 state internal Ca+ concentration. Cells are suspended in media of different Ca+ con 2 2 tent whose Ca+ concentration is monitored by a Ca+ -selective electrode. When the cells are lysed (by digitonin) there is an upward or downward deflection of the elec 2 trode signal. At the point of zero deflection, the cellular Ca+ concentration equals that 2 of the medium. The result is, that in fresh human red blood cells the Ca+ concentra tion is ;;;; O.4,uM (this is an upper estimate; the true value may be considerably lower).
Author: Peter H. Stone
Publisher: Blackwell/Futura
ISBN:
Category : Medical
Languages : en
Pages : 520
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Book Description
Author: Christopher S. Wilcox
Publisher: Elsevier Health Sciences
ISBN: 1437711243
Category : Medical
Languages : en
Pages : 1161
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Book Description
Thoroughly revised, the new edition of this companion to Brenner & Rector’s The Kidney equips you with today’s guidance to effectively manage renal and hypertension patients. International authorities emphasize the specifics of treatment while presenting field-tested advice on the best therapeutic strategies available. New chapters reflect the latest evidence impacting current clinical issues, while a new design helps you reference the information more easily. Presents the most comprehensive text available on nephrology and hypertension treatment for a convenient single source that is easy to consult. Features the evidence-based guidance of leading authorities for making more informed clinical decisions. Offers in-depth discussions and referenced coverage of key trials to help you analyze the results and the evidence provided. Provides treatment algorithms and tables of commonly used drugs in each chapter for quick-access expert advice on arriving at the best and most appropriate treatment regimen. Offers new chapters on erectile and sexual dysfunction, transplant immunology and immunosuppression, dietary salt restriction, and systematic vasculitis and pauci-immune glomerulonephritis that reflect new evidence impacting current clinical issues. Presents the contributions of newly assigned section editors—authorities in their subspecialty fields—who offer you the benefit of their practice-proven expertise. Provides rationales for the therapies presented to help you choose the most effective treatment for each patient.
Author: P.W. Serruys
Publisher: Springer Science & Business Media
ISBN: 9400904533
Category : Medical
Languages : en
Pages : 417
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Book Description
Obstruction of coronary blood flow and the resultant consequences are the center stage pathophysiologic events in cardiology today. The speculations of Jenner, Burns, Heberdin, McKenzie, Prinzmetal and many others had until now been left to observations of isolated tissue and intact animal experimentation. Only with the advent of Gruentzig's technique, which allowed us to 'work safely inside the coronary arteries' are we able to observe the effects of coronary occlusion in living conscious man. PTCA provides not only a therapeutic modality for non-operatively opening coronary obstructions, but has also provided the best model for studying the effects of acute ischemia on the heart. The procedure also lead the way to all other interventional cardiology developments, including modern thrombolysis in the setting of acute myocardial infarction. In his previous works, Serruys has examined how PTCA can serve as a model for studying acute ischemia. In this book, he and his co-authors discuss the effects of balloon-induced ischemia on the electrocardiographic changes, coronary blood flow dynamics, cardiac muscle metabolism and left ventricular function, as well as measures to counter these effects and provide for reperfusion in unstable angina and acute myocardial infarction. Technology has expanded the 'eyes' of the observer of these events. The authors use many techniques including ECG recording from surface, endocardium, and intracoronary electrodes; angiographic assessment of coronary flow pattern using digital techniques, as well as doppler flow measurements; biochemical assessment of metabolic products stimulated by ischemia; and digital angiographic and echo doppler assessment of left ventricular function.
Author: A-M. Salmasi
Publisher: Springer Science & Business Media
ISBN: 9401134049
Category : Medical
Languages : en
Pages : 356
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Book Description
Occult atherosclerotic diseases impose great challenges in the cardiovascular practice. Although their pathology is not much different from that of the overt group of diseases, the clinical approach to their diagnoses remains a puzzle. This has mainly emerged as a result of the problems faced in trying to pick up the vulnerable subjects from among the general public. More definitive candidates to be evaluated are those belonging to one of the high risk groups. There are no statistical figures available on the incidence of occult atherosclerotic disease in the "non risky" general public and this is definitely an area that needs further investigation. Atherosclerotic disease whether they are in the cerebral, coronary, renal or lower limb arteries are theoretically interrelated because the basic patho logical changes are usually similar. However there still remain some differ ences which are mainly due to variation in the flow pattern in the arteries. Thus it will be important clinically and from the management point of view to investigate for the presence of occult disease in other arteries if an atherosclerotic disease in a certain artery has been discovered. This approach is of a great significance especially from the preventive point of view in order to avoid catastrophic events which may have resulted from pathology in the other region.
Author: National Library of Medicine (U.S.)
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 1956
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Book Description
Author: M. Bygdeman
Publisher: Springer Science & Business Media
ISBN: 9401167346
Category : Science
Languages : en
Pages : 434
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Book Description
It is clear today that several prostaglandins play an important role in the regulation of many of the physiological events of the reproductive organs in the human. Both naturally occurring prostaglandins and their analogues are used routinely in many countries to ripen the cervix and induce labour at term as well as to dilate the cervix and to terminate pregnancy. Prostaglandin biosynthesis inhibitors are widely used in the treatment of primary dysmenorrhoea. The editors have aimed at an accurate, thorough, yet easily under standable review of the status in 1986 of medical knowledge regarding both the physiological importance and the clinical use of prostaglan dins and their inhibitors in obstetrics and gynaecology. I believe this book will be of value for all clinicians concerned with reproductive health. The list of authors guarantees an authoritative and up-to-date review of this active field. SUNE BERGSTROM Karolinska Institutet, Stockholm, Sweden Table Examples of clinical use of natural prostaglandins and some prostaglandin analogues Indications Prostaglandin Route of administration Manufacturer Dilatation of the cervix prior 15-methyl-PGF • Intramuscular Upjohn, USA 2 to vacuum aspiration 16-phenoxy-PGE methyl sulphonylamide Intramuscular Schering AG, West Germany 2 16,16-dimethyl-PGE methyl ester 1 Vaginal ONO, Japan; May & Baker, UK Second trimester abortion Intra -amniotic Upjohn, USA; ONO, Japan PGF 20 Upjohn, USA PGE Vaginal 2 Upjohn, USA 15-methyl-PGF 2.
Author: Alexander Hartmann
Publisher: Springer Science & Business Media
ISBN: 3642858635
Category : Medical
Languages : en
Pages : 590
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Book Description
Although many books deal with isolated problems of calcium disturbance in relation to cardiac and cerebral function, this is the first to focus specifically on calcium metabolism and cerebral ischemia. Internationally acknowledged experts present recent data and new concepts in an interdisciplinary approach to the subject. They examine basic information on the pathophysiology of cellular events, the damage caused by excitotoxic substances, and the effects of calcium antagonistic drugs as measured in experimental animals. These contributions may help lead to possible therapeutic interference for the prevention of calcium imbalance.
Author: National Library of Medicine (U.S.)
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 1044
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Book Description
Author: Stevo Knezevic
Publisher: Psychology Press
ISBN: 9780898595581
Category : Brain
Languages : en
Pages : 314
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Book Description
Handbook of Regional Cerebral Blood Flow unites the technical, clinical, and methodological developments in regional Cerebral Blood Flow (rCBF) as well as the research applications of rCBF from a variety of disciplines. Handbook of Regional Cerebral Blood Flow provides a comprehensive, detailed overview of the most common modern technique for quantitative measurement of regional cerebral blood flow, responding to such changes as the proliferation and standardization of the rCBF instruments over the last decade and the growing impact of rCBF on diverse medical disciplines.
