Modern Aspects of the Circulation in Health and Disease
Author | : Carl John Wiggers |
Publisher | : |
Total Pages | : 384 |
Release | : 1915 |
Genre | : Blood |
ISBN | : |
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Author | : Carl John Wiggers |
Publisher | : |
Total Pages | : 384 |
Release | : 1915 |
Genre | : Blood |
ISBN | : |
Author | : Carl John Wiggers |
Publisher | : Legare Street Press |
Total Pages | : 0 |
Release | : 2023-07-18 |
Genre | : |
ISBN | : 9781022673403 |
Gain new insights into the human body with this groundbreaking study on the circulatory system. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author | : Carl J. Wiggers |
Publisher | : |
Total Pages | : 382 |
Release | : 2015-08-05 |
Genre | : Medical |
ISBN | : 9781332316502 |
Excerpt from Modern Aspects of the Circulation in Health and Disease No one who pauses to reflect can fail to admire the master minds of medicine who, by simple signs and statistics, not only interpreted many disease processes correctly, but upon them built an admirable system of diagnosis. Nothing can be substituted for the power of accurate observation, either at the bedside or in the laboratory. Nevertheless, it happens that many phenomena of the circulation, normal and abnormal, remain undetected by our unaided senses. Consequently, various instrumental methods have been introduced which supplement our direct observations, either by recording the functions of the circulation graphically or by translating them into numerical terms which the mind can more definitely grasp. This monograph deals with the ways in which the application of laboratory methods to the clinic has led to the elucidation of many obscure conditions, to the recognition of new diseases, and to the institution of new forms of treatment. In order to present the subject in the consecutive and logical manner necessary for academic purposes and still retain the convenient arrangement demanded of a reference medium, it has been divided into three sections. The chapters of the first section attempt to present our most modern conceptions as to how the circulation is maintained in health. This is of fundamental importance, for no one can assay to discuss the abnormal conditions of the circulation from a modern standpoint without constant reference to the fundamental physiological conceptions. Unfortunately, in some respects, many of our current views must be revised to accord with the facts brought to light by the application of more improved methods in experimental investigation. Hence, it is desirable not only to review our new acquisitions of knowledge and fit these in with those long accepted, but to describe, to some extent, the principles of the newer apparatus by which they are obtained. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author | : HardPress |
Publisher | : Hardpress Publishing |
Total Pages | : 382 |
Release | : 2013-01 |
Genre | : |
ISBN | : 9781313225335 |
Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve to be made available for future generations to enjoy.
Author | : Carl John Wiggers |
Publisher | : |
Total Pages | : 376 |
Release | : 1915 |
Genre | : |
ISBN | : |
Author | : Carl John Wiggers |
Publisher | : |
Total Pages | : 662 |
Release | : 1923 |
Genre | : Blood pressure |
ISBN | : |
Author | : Roland N. Pittman |
Publisher | : Biota Publishing |
Total Pages | : 117 |
Release | : 2016-08-18 |
Genre | : Medical |
ISBN | : 1615047212 |
This presentation describes various aspects of the regulation of tissue oxygenation, including the roles of the circulatory system, respiratory system, and blood, the carrier of oxygen within these components of the cardiorespiratory system. The respiratory system takes oxygen from the atmosphere and transports it by diffusion from the air in the alveoli to the blood flowing through the pulmonary capillaries. The cardiovascular system then moves the oxygenated blood from the heart to the microcirculation of the various organs by convection, where oxygen is released from hemoglobin in the red blood cells and moves to the parenchymal cells of each tissue by diffusion. Oxygen that has diffused into cells is then utilized in the mitochondria to produce adenosine triphosphate (ATP), the energy currency of all cells. The mitochondria are able to produce ATP until the oxygen tension or PO2 on the cell surface falls to a critical level of about 4–5 mm Hg. Thus, in order to meet the energetic needs of cells, it is important to maintain a continuous supply of oxygen to the mitochondria at or above the critical PO2 . In order to accomplish this desired outcome, the cardiorespiratory system, including the blood, must be capable of regulation to ensure survival of all tissues under a wide range of circumstances. The purpose of this presentation is to provide basic information about the operation and regulation of the cardiovascular and respiratory systems, as well as the properties of the blood and parenchymal cells, so that a fundamental understanding of the regulation of tissue oxygenation is achieved.
Author | : Naranjan S. Dhalla |
Publisher | : Springer |
Total Pages | : 648 |
Release | : 2012-10-31 |
Genre | : Medical |
ISBN | : 9781461350842 |
Pathophysiology of Cardiovascular Disease has been divided into four sections that focus on heart dysfunction and its associated characteristics (hypertrophy, cardiomyopathy and failure); vascular dysfunction and disease; ischemic heart disease; and novel therapeutic interventions. This volume is a compendium of different approaches to understanding cardiovascular disease and identifying the proteins, pathways and processes that impact it.
Author | : Michitoshi Inoue |
Publisher | : Springer Science & Business Media |
Total Pages | : 330 |
Release | : 2013-11-09 |
Genre | : Medical |
ISBN | : 4431683674 |
Research centering on blood flow in the heart continues to hold an important position, especially since a better understanding of the subject may help reduce the incidence of coronary arterial disease and heart attacks. This book summarizes recent advances in the field; it is the product of fruitful cooperation among international scientists who met in Japan in May, 1990 to discuss the regulation of coronary blood flow.
Author | : Marcus E. Raichle |
Publisher | : Oxford University Press |
Total Pages | : 241 |
Release | : 2014-09-17 |
Genre | : Medical |
ISBN | : 0199359008 |
Modern brain imaging is revolutionizing the study of brain function in health and disease. However, few realize that its origins began in the nineteenth century with Dr. Angelo Mosso's pioneering experiments. A foremost Italian physiologist and scientist, Angelo Mosso studied several patients brought to him with head injuries that exposed their live brains to direct, long-term observation. He took advantage of these rare opportunities to document, for the first time, changes in cerebral blood flow in response to different stimuli, behaviors, and emotions, the very same changes that are now the basis for the measurements underlying modern functional brain imaging. Mosso was widely recognized by his contemporaries for his highly original studies, published both in Italian in 1878 and in German in 1881. Yet there has never been a translation through which this groundbreaking work could be appreciated by the English-speaking world. Indeed, Angelo Mosso's sophisticated experiments were to neuroscience what surgeon William Beaumont's in vivo observations were to gastric physiology fifty years earlier. This unique monograph establishes Mosso's rightful role as the pioneer of brain imaging. Through it, the modern reader, whether expert neuroscientist or interested student, can gain a new perspective on the author's remarkable insights: how behaviors as subtle as thinking about a subject or feeling an emotion produce the changes in pulsations of the brain that he observed and recorded for posterity. Special features of this volume include first a brief summary of Mosso's life. Two pioneers of modern brain imaging, Marcus E. Raichle (winner of the Kavli Prize for Neuroscience) and Gordon M. Shepherd (Yale University Professor of Neurobiology) then review Mosso's work and provide extensive commentary to explain its relevance to modern brain science. The authors not only emphasize Mosso's pioneering role in brain imaging, but also his fundamental contribution to the rise of cognitive neuroscience. The English translation (by historian of medicine Christiane Nockels Fabbri) follows, together with all of the plates and illustrations of the original volume. The result is a classic of neuroscience, now available for wide appreciation by neuroscientists, neurologists, psychologists, psychiatrists, historians of science and medicine, and the general public.