Hypokalemia Differential Diagnosis Algorithm Hypertensive: • High Al, Low R - Primary aldosteronism • High Al, High R - Secondary Hyperaldosteronism: malignant HT, renovascular HT, Renin-secreting tumor • Low Al, Low R - Pseudo-hyperaldosteronism: exogenous mineralocorticoids, glycyrrhizic acid, Liddle's Syndrome, Congenital Adrenal Hyperplasia • Normal Al, Normal R - Cushing's syndrome Normotensive: • UCl- <20 mEq/24 h - Vomiting, Nasogastric drainage, Post-hypercapnia • UCl- >20 mEq/24 h - Diuretics, Bartter's syndrome, Gitelman's syndrome #Hypokalemia #Differential #Diagnosis #Algorithm #nephrology #causes #low #potassium
