Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining ...

Causes of Hypokalemia - Differential Diagnosis Algorithm

Defining the cause of hypokalemia starts by measuring urinary K level. If inappropriately increased, the existence of hypertension suggests either secondary or primary hyperaldosteronism. Clinicians should also look for excess glucocorticoids.

 • Skin and/or gastrointestinal K loss 

 • Renal K loss

 • Hypomagnesemia-induced hypokalemia

 • Renal tubular acidosis (type 1 of 2), Ureterosigmoidostomy, Diabetic ketoacidosis

 • Vomiting, Nasogastric drainage, Post-hypercapnia

 • Diuretics, Bartter's syndrome, Gitelman's syndrome

 • Primary Hyperaldosteronism

 • Secondary Hyperaldosteronism: malignant HT, renovascular HT, Renin-secreting tumor

 • Pseudo-hyperaldosteronism: exogenous mineralocorticoids, glycyrrhizic acid, Liddle's syndrome, Congenital adrenal hyperplasia

 • Cushing's syndrome

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Contributed by

Dr. Gerald Diaz
Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief 🇵🇭 🇺🇸 - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: | Twitter:
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