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  2. Urine specific gravity - Wikipedia

    en.wikipedia.org/wiki/Urine_specific_gravity

    Adults generally have a specific gravity in the range of 1.010 to 1.030. Increases in specific gravity (hypersthenuria, i.e. increased concentration of solutes in the urine) may be associated with dehydration, diarrhea, emesis, excessive sweating, urinary tract/bladder infection, glucosuria, renal artery stenosis, hepatorenal syndrome, decreased blood flow to the kidney (especially as a result ...

  3. Urinalysis - Wikipedia

    en.wikipedia.org/wiki/Urinalysis

    It is not possible for the kidneys to produce urine with a specific gravity greater than 1.040 [40] but such readings can occur in urine that contains high-molecular weight substances, such as contrast dyes used in radiographic imaging. [38] Specific gravity is commonly measured with urine test strips, but refractometers may also be used. [41]

  4. Urine test strip - Wikipedia

    en.wikipedia.org/wiki/Urine_test_strip

    The urine test strip test for specific gravity is based on the change in dissociation constant (pK a) of an anionic polyelectrolyte (poly-(methyl vinyl ether/maleic anhydride)) in an alkali medium that is ionised and releases hydrogen ions in proportion to the number of cations present in the solution. [6]

  5. Reference ranges for urine tests - Wikipedia

    en.wikipedia.org/wiki/Reference_ranges_for_urine...

    Urinary specific gravity: 1.003 [1] [2] 1.030 [1] [2] g/mL Urobilinogen: 0.2 [2] 1.0 [2] Ehrlich units or mg/dL Free catecholamines, dopamine: 90 [3] 420 [3] μg/d Red blood cells (RBCs) 0 [4] [2] 2 [2] - 3 [4] per High Power Field (HPF) RBC casts: n/a 0 / negative [2] White blood cells (WBCs) 0 [2] 2 [2] pH: 5 [2] 7 [2] (unitless) Protein: 0 ...

  6. Isosthenuria - Wikipedia

    en.wikipedia.org/wiki/Isosthenuria

    Isosthenuria refers to the excretion of urine whose specific gravity (concentration) is neither greater (more concentrated) nor less (more diluted) than that of protein-free plasma, typically 1.008-1.012. [1] Isosthenuria reflects damage to the kidney's tubules or the renal medulla.

  7. Relative density - Wikipedia

    en.wikipedia.org/wiki/Relative_density

    The Urine Specific Gravity diagnostic test is used to evaluate renal concentration ability for assessment of the urinary system. [18] Low concentration may indicate diabetes insipidus, while high concentration may indicate albuminuria or glycosuria. [18] Blood normally has a specific gravity of approximately 1.060. [19] Vodka 80° proof (40% v ...

  8. Urine test - Wikipedia

    en.wikipedia.org/wiki/Urine_test

    A urine test is any medical test performed on a urine specimen. The analysis of urine is a valuable diagnostic tool because its composition reflects the functioning of many body systems, particularly the kidneys and urinary system , and specimens are easy to obtain. [ 1 ]

  9. Refractometer - Wikipedia

    en.wikipedia.org/wiki/Refractometer

    In laboratory medicine, a refractometer is used to measure the total plasma protein in a blood sample and urine specific gravity in a urine sample. In drug diagnostics, a refractometer is used to measure the specific gravity of human urine.