Fishberg concentration test

Fishberg concentration test
(for kidney function) the patient's evening meal includes not more than 200 mL of fluid, and nothing else is consumed before morning. Urine voided during the night is discarded. The morning urine is saved, the patient kept in bed, and the urine of 1 hour later and 2 hours later is saved. If the specific gravity of any of these 3 specimens is less than 1.024 there is impairment of renal concentration.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Fishberg concentration test — Fish·berg concentration test (fishґbərg) [Arthur Maurice Fishberg, American physician, 1898–1992] see under test …   Medical dictionary

  • test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …   Medical dictionary

  • Fishberg — Arthur M., U.S. physician, *1898. See F. concentration test …   Medical dictionary

  • Fishberg method — a method for determining specific gravity of the urine, which serves as a concentration test of renal function …   Medical dictionary

  • specific gravity test — see specific tests, including Fishberg concentration t. and urine concentration t …   Medical dictionary

  • kidney function test — a test of kidney function, such as of renal clearance or of the glomerular filtration rate; see also specific tests, including Fishberg concentration t., radioisotope renal excretion t., Rehberg t., and D xylose absorption t. Called also renal… …   Medical dictionary

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