TOPICS: Potassium sparing diuretics, collecting duct, spironolactone, eplerenone, block aldosterone receptors, heart failure, improve ventricular remodeling, hepatic ascites, gynecomastia, triamterene, amiloride, block sodium and water reabsorption at collecting duct, nephrogenic diabetes insipidus, hyperaldosteronism, syndrome of apparent mineralocorticoid excess, heart failure, hypokalemia, hyperkalemia, arrhythmia, hyperkalemic renal tubular acidosis type 4
