Nephrology Book

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Renal Function

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  1. See Also
    1. Renal Failure
  2. Chemistry Measures of Renal Function
    1. Serum Creatinine (Cr)
    2. Blood Urea Nitrogen (BUN)
    3. BUN to Serum Creatinine Ratio
      1. Prerenal Failure: Ratio >20:1
    4. Creatinine Clearance
    5. Fractional Excretion of Sodium (FENa)
  3. Other changes in the absence of renal function
    1. Serum Potassium increases 0.3-0.5 mEq/L/day
    2. Serum Bicarbonate decreases 1-2 meq/L/day
    3. Serum Calcium decreases
    4. Serum Phosphorus increases
    5. Serum Magnesium increases
    6. Complete Blood Count changes in chronic insufficiency
      1. Anemia
      2. Platelet Dysfunction

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