Potassium

Hypokalemia due to Extrarenal Potassium Loss

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Hypokalemia due to Extrarenal Potassium Loss, Extrarenal Potassium Loss, Hypokalemia with Excessive Renal Losses

  • Definition
  1. Hypokalemia with Urine Potassium < 20 meq/day
  1. Chronic Diarrhea
  2. Acute Leukemia
  3. Aminoglycosides
  4. High dose Penicillin
  5. Hypomagnesemia
    1. Intracellular Magnesium is not reflected by Serum Magnesium level
    2. Consider empiric Magnesium Replacement in refractory Hypomagnesemia
  6. Constant GI loss and inadequate intake (<10-20 meq/day)
  7. Skin losses from sweating
  1. Diarrhea
  2. Amphotericin
  3. Diabetic Ketoacidosis
  4. Laxative abuse
  5. Intestinal or biliary fistula
  6. Ureterostomy
  7. Toluene
  1. Gastrointestinal loss (Consider Bulimia)
    1. Vomiting
    2. Nasogastric suction
  2. Discontinued Diuretics