Essentials of Laboratory Diagnosis, Designed for Students and Practitioners

Essentials of Laboratory Diagnosis, Designed 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. 1918 edition. Excerpt: ...a watch-glass, when the characteristic glistening rhomboids of cholesterin crystallize out, and may be easily recognized by the microscope. After extraction with alcohol and ether the residue is treated, while cold, with very dilute potassium hydroxid. If the powder contains calciumbilirubin, a yellow solution will be obtained which gives Gmellin's reaction. The much rarer PANoREATIC CONoRETIONS differ from gallstones in that they contain no bile-coloring matter, and are composed chiefly of calcium-carbonate, which dissolves readily with effervescence in hydrochloric acid. Intestinal Stones or Fecal C'oncretions.--These are supposed to play an important part in exciting attacks of appendicitis, but seldom appear in the stools. They consist almost exclusively of ammonio-magnesium phosphate (triple phosphate), and should be examined after the manner of urinary calculi (see page 300).12 r2 Sahil's "Diagnosis." VIII. THE URI NE. PART I. GENERAL CONSIDERATIONS. The normal constituents of the urine are usually tested for by quantitative methods, since we are concerned with the actual amount of these substances and not with their presence or absence from a given sample. In testing for abnormal constituents, on the other hand, we are concerned, as a rule, with their presence or absence, though in certain instances we may desire to know the absolute quantity of these abnormal substances. THE SAMPLE.--If we are to make a qualitative examination for abnormal constituents in a single sample of urine, it is best to collect a specimen about three hours after the ingestion of a hearty meal (dinner), as such a sample is most likely to contain the substances sought (usually albumin or sugar). Cases which at times show a more

Product details

  • Paperback | 148 pages
  • 189 x 246 x 8mm | 277g
  • United States
  • English
  • black & white illustrations
  • 1236864069
  • 9781236864062