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Hypokalemia due to Extrarenal Potassium LossAka: Extrarenal Potassium Loss

See Also
1. Hypokalemia Approach
2. Renal Potassium Loss
Definition
1. Hypokalemia with Urine Potassium < 20 meq/day
Normal Acid-Base Status
1. Chronic Diarrhea
2. Acute Leukemia
3. Aminoglycosides
4. High dose Penicillin
5. Hypomagnesemia
6. Constant GI loss and inadequate intake (<10-20 meq/day)
7. Skin losses from sweating
Metabolic Acidosis
1. Diarrhea
2. Amphotericin
3. Diabetic Ketoacidosis
4. Laxative abuse
5. Intestinal or biliary fistula
6. Ureterostomy
7. Toluene
Metabolic Alkalosis
1. Gastrointestinal loss (Consider Bulimia)
  1. Vomiting
  2. Nasogastric suction
2. Discontinued Diuretics

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This page was written by Scott Moses, MD. This page was last revised before 5/10/08, prior to consistent tracking of revision date. This page was last published on 6/1/2008. Please send comments and questions to the editor. Contact information may be found on the page About the Family Practice Notebook. These pages are best viewed with Microsoft Internet Explorer 6.0.