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An Evaluation

NORMAN G. SCHNEEBERG, M.D.

Arch Intern Med. 1947;80(2):193-202.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

THE ability of the normal kidney to produce a concentrated urine under conditions of diminished intake of fluid is usually the first function to fail under the influence of renal disease. Procedures designed to test this function of the kidney are the most useful and the least complicated to perform. The technics described by Fishberg¹ and by Addis and Shevky² are time-tested standards for routine use. They require the production of oliguria by depriving a tested subject of fluids over an interval of from sixteen to twenty-four hours and the measurement of the specific gravity of samples of urine voided at the end of this period of restriction. The maximum specific gravity necessary for evaluation of renal concentrating capacity may not be attained under the following conditions: (a) if the patient fails to cooperate, often because of excessive thirst, and drinks fluid during the period of deprivation; (b . . . [Full Text PDF of this Article]

Author Affiliations
PHILADELPHIA

Footnotes
At present Dr. Schneeberg is a fellow of the Department of Endocrine and Metabolic Research, Michael Reese Hospital.

Part of this work was done while Dr. Schneeberg was at the Mount Sinai Hospital in Philadelphia, and part was done while he was in army service.

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