Diagnostic Methods; A Text-Book for Students and Practitioners

Diagnostic Methods; A Text-Book for Students and Practitioners

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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. 1913 edition. Excerpt: ...corpuscles cannot be detected, certain tests must be applied for positive recognition of pus in such cases. Vitali's Test. Acidify the urine with acetic acid and filter. Treat the material on the filter with a few drops of tincture of guaiac, when a deep blue color will appear in the presence of pus. If the material is not filterable, as happens when the purulent material is extremely gelatinous, place a portion of this slimy urine in a test-tube and allow a few drops of tincture of guaiac to flow upon the surface. If pus be present a distinct blue line of contact will be observed. Donne's Test. A portion of the urinary sediment in a centrifuge tube is treated with a few drops of concentrated solution of sodium hydrate. If pus be present an extremely viscid gelatinous mass will be 'obtained. If this mixture be heated, it will dissolve, according to Muller, with the formation of B-nucleinic acid., If the pus-cells be treated under the microscope with a few drops of Lugol's solution, they will take a mahogany-brown color owing to the presence of glycogen. Enumeration of Pus-cells. Such a procedure is not a part of the ordinary routine examination of urine. It is, however, sometimes advisable, as it permits of a decision regarding the presence or absence of a true albuminuria. If the latter exists, casts and renal epithelial cells will usually be present so that a diagnosis is often possible without a count of the cells. Technic. A portion of the 24-hour specimen of urine is thoroughly shaken to bring the corpuscles into suspension. This turbid fluid is then drawn up to the upper (11) mark of the leucocytometer, a drop placed upon the glass slide and the cells counted as described under Blood. If more than 30,000 per...show more

Product details

  • Paperback | 344 pages
  • 189 x 246 x 18mm | 617g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236743733
  • 9781236743732