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contentuptodate· Content· item f39_45_40667

©2013 UpToDate ® Print Email Aldosterone regulation of sodium and potassium excretion Clinical stage Aldosterone secretion Proximal or loop reabsorption Distal Na+ delivery ΔUrinary excretion Na+ K+ Na+ depletion Incr Incr Decr Decr 0 Na+ load Decr Decr Incr Incr 0 K+ load Incr Decr Incr 0 Incr K+ depletion Decr Incr Decr 0 Decr Interrelationships between aldosterone and the regulation of sodium and potassium balance. The modulating effect of changes in distal sodium delivery allows sodium and potassium excretion to be regulated independently by aldosterone.