Recent Classification and Treatment of Pneumonia (Classic Reprint)

Recent Classification and Treatment of Pneumonia (Classic Reprint)

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Description

Excerpt from Recent Classification and Treatment of Pneumonia Agglutination tests are made by mixing the saline suspension of the pneumococci with antisera i and ii in small sterile test tubes. The tubes are shaken gently and mixed by tapping with the finger. They are then placed in the water bath at 37c. For two hours, and afterwards kept in the ice box over night. Soon after the mixing of the suspension of the or ganisms, the tubes are closely observed for reaction. This consists in the clumping of the organisms so that at first small flakes appear, as in a miniature snowstorm. On standing, the clumps settle to the bottom of the test tube. If the organism belongs to type II, the clumping reaction in the N o. 2 will be seen in one or two minutes. The reaction of type I organisms to their homologous serum is slower, the clumps appearing within half an hour. The presence of clumps in either tube No. 1 or tube No. 2 deter mines to which of the two types the organism belongs. In the absence of clumping, the diagnosis of type III is justified in case a sticky exudate has been found at autopsy and in case smears from the peritoneal cavity show the organism to possess a large capsule. The diagnosis of type IV is reached by a process of exclusion. 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.show more

Product details

  • Paperback | 70 pages
  • 152 x 229 x 4mm | 104g
  • Forgotten Books
  • English
  • 14 Illustrations; Illustrations, black and white
  • 0243245610
  • 9780243245611