Excerpt from Modern Medicine, Vol. 4: Its Theory and Practice, in Original Contributions by American and Foreign Authors; Diseases of the Circulatory System, Diseases of the Blood, Diseases of the Spleen, Thymus and Lymph-GlandsIntroduction - The problem for a physician to solve when confronted with a case of circulatory disease is, Which of the many factors in the maintenance of the circulation are at fault? Briefly stated, he must determine if there is a faulty distribution of the blood, viz., in the peripheral vessels, in the splanchnic area or in the pulmonary circula tion; if the pure hydraulics of the circulation are maintained and if its accomplishment is fulfilled without an expenditure of more than a normal amount of work by the heart. Some of these problems have their solution in phenomena purely physiological, some pathological, and some are still In the realm of theoretical speculation. Where physi ology and pathology fail, the diagnostician can appeal only to recorded clinical symptomatology.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.