Hypokalemia Differential Algorithm

Acidosis

 - RTA

 - Diarrhea

pH Normal 

 1. Decreased Mg 

 2. Intracellular Shift 

  • Insulin 

  • Periodic paralysis 

Alkalosis

 - Appropriate Aldo

   1. Vomiting 

   2. Diuretics (discontinued) 

   3. Metabolic alkalosis 

- Inappropriate Aldo

  1. Primary hyperaldo 

  2. Renin secreting tumor 

  3. Renal artery stenosis 

  4. Licorice 

  5. SAME 

  6. Liddle 



- Dr. Joel Topf https://twitter.com/kidney_boy 

(adapted from: @medrants @CPSoIvers with the help of NephTwitter)



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