Urology Book

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Urine Specific Gravity

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  1. Normal
    1. Specific Gravity: 1.005-1.030
  2. Increased
    1. Dehydration
    2. Fever
    3. Vomiting
    4. Diarrhea
    5. Diabetes Mellitus and other causes of Glycosuria
    6. Congestive Heart Failure
    7. Syndrome Inappropriate ADH Secretion (SIADH)
    8. Adrenal Insufficiency
    9. X-Ray contrast
  3. Decreased
    1. Diabetes Insipidus
    2. Excessive hydration
    3. Glomerulonephritis
    4. Pyelonephritis
    5. Diuretics
    6. Adrenal Insufficiency
    7. Aldosteronism
    8. Renal insufficiency
  4. Falsely decreased specific gravity
    1. Alkaline urine
  5. Falsely increased specific gravity
    1. Intravenous dextran or radiopague dye
    2. Proteinuria

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