3/17/2023 0 Comments High specific gravity of urinesyndrome of inappropriate antidiuretic hormone secretion.In patients with certain kidney diseases, USG doesn't vary with fluid intake and is called a fixed specific gravity. Abnormal results are generally those below 1.010 or above 1.020. Normal results in adults generally range from 1.010 to 1.020. Results vary slightly by lab instruments and methods. Consistently using the same USG testing method for an individual patient is critical for evaluating trends. A urine sample is placed in the small cylinder and the urinometer is floated in the urine. the hydrometer or urinometer, the least reliable method.An indicator changes color based on the USG value. a multiple-test dipstick, which has a separate area with a reagent for USG. The degree of refraction is directly proportional to the density of the urine. This method gives you the refractive index, the ratio of the velocity of light in air to the velocity of light in the solution being tested.
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