Hyperkalemia: Diagnostic algorithm Decreased renal potassium excretion • Acute renal failure • Chronic renal failure • Drugs Increased potassium load • Supplementation (oral/iv) • Potassium-rich diet • Blood transfusion • Tumor lysis/hemolysis Hyporeninemic, hypoaldosteronism in: • Interstitial nephritis • Obstructive uropathies • Drugs • Diabetic Nephropathy Renin Normal, Renin High: • Primary hypoaldosteronism • Congenital adrenal hyperplasia • Drugs • Addison's/congenital adrenal hypoplasia Aldosterone high: • Post-renal transplant • Obstructive uropathy • Sickle-cell nephropathy • Drugs • PHA type l/type 2 • Type 1 #Hyperkalemia #Diagnosis #algorithm #nephrology #potassium #differential
