Urine specific gravity
Reading of a urine specific gravity, left column at the junction of the dark and ... The specific gravity of urine is the concentration of these excreted molecules ...
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Urine specific gravity
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Osmolality - urine
Definition ...
Urine specific gravity and/or osmolality (measures how concentrated or dilute the urine is)
Water deprivation test ...
If urine specific gravity (a test of how dilute or concentrated the urine is) is low and urine volume is high with excessive thirst, testing for diabetes insipidus may be performed.
» Urine Specific Gravity. Urine density
» Urine Concentration Test. Water loading test. Water deprivation test
» Urinalysis. Urine appearance and color. Routine urine test
» Uric Acid ...
With either ADH deficiency or resistance,urine specific gravity rarely exceeds 1.005 and urinary osmolalityrarely exceeds 200 mOsm/kg.
A failure to concentrate urine even when water intake is restricted may be revealed with urine specific gravity and osmolality tests. Urine pH may show a failure to acidify urine properly.
Serum sodium
Urine 24 hour volume
Urine concentration test
Urine specific gravity ...
Basic metabolic panel (to check electrolyte levels)
BUN and creatinine tests
Urine specific gravity
Images ...
Absent or low urine production, less than 400 cc/day
Fluid retention in the abdomen or extremities
Increased BUN and creatinine levels
Increased urine specific gravity and osmolality
Low serum sodium
Very low urine sodium concentration ...
Urine sodium may be high.
Fractional excretion of sodium and of urea may be relatively high.
Urine specific gravity and osmolarity urine indicate dilute urine
BUN and serum creatinine levels may increase.
A reduction in dosage (see DOSAGE AND ADMINISTRATION) may be desirable if other evidence of renal dysfunction occurs such as decreased creatinine clearance; decreased urine specific gravity; increased BUN, creatinine, or oliguria.
Kidney biopsy may show acute tubular necrosis (but a biopsy is rarely done)
Urinalysis may show casts, kidney tubular cells, and red blood cells
Urine sodium may be high
Urine specific gravity and osmolarity urine indicate dilute urine ...
 See also: Kidney, Symptom, Surgery, Fever, Vomiting
  
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