Hypokalemia - Differential Diagnosis Algorithm

Extra-renal Losses:

 • Normal Acid-Base: Low intake

 • Metabolic acidosis: Gl tract loss (Diarrhea)

Renal Losses:

 • Metabolic acidosis: Proximal and distal RTA, Ureterosigmoidoscopy

 • HTN, Low Aldosterone: Liddle's Syndrome, Licorice, Carbenoxolone, SAME, Cushing Syndrome

 • HTN, High Aldosterone: Malignant HTN, Renovascular HTN, Renin secreting tumor, Primary hyperaldosteronism

 • HTN Absent: Loop and thiazide diuretics, Bartter syndrome, Gitelman syndrom, Vomiting, Non-reabsorbable anions



Dr Priti Meena @priti899



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