Transactions of the Association of American Physicians Volume 34

Transactions of the Association of American Physicians Volume 34

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1919 edition. Excerpt: ...areas are bordered as a rule by edema and collapse of the lung tissue. If the process has lasted much more than a week the changes found at autopsy are far more advanced. Fluid is found to have accumulated in one or both of the pleural cavities often in very great amount. This is a thin, watery, turbid fluid with a greenish brown sediment and floating shreds of fibrin. Streptococci are present in enormous numbers. The pleural surfaces are covered with a shaggy fibrinous exudate which may be rubbed off, revealing a red velvety granulation tissue underneath. The lung when surrounded by such a collection of fluid is collapsed, airless, flabby, and dark blue, but contains palpable firm nodules of consolidation or even larger dense patches, especially in the lower and posterior portions. Much of it can, however, be distended with air forced into the main bronchus. When incised it is found that the bronchi as before are filled with a muddy, brownish, purulent exudate rich in streptococci. The cut surface of the lung is studded with nodules which project above the surrounding lung. These are most often about pea size, but they may be much larger and sometimes become confluent. Nearly always there is about them a wide zone of hemorrhage and outside this an area of viscid edema. Closer examination shows a crosssection of a bronchiole in the center of the nodule or there is a group of nodules which are seen to surround the terminal branches of a bronchiole. Indeed if the bronchus chances to be cut longitudinally it is found that the firm tissue corresponds with a dense mantle which accompanies it and is composed of the greatly thickened bronchial wall with the surrounding consolidated tissue. One may see in the center the yellowish or brownish pus, more

Product details

  • Paperback
  • 189 x 246 x 7mm | 254g
  • United States
  • English
  • black & white illustrations
  • 1236933192
  • 9781236933195