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PATHOPHYSIOLOGICAL ASPECTS IN HYPER-AND HYPOKALEMIA
Potassium, the most abundent intracellular cation is essential for the life. Potassium is obtained through the diet. Gastrointestinal absorption is complete, resulting sometimes an excess intake of about 1mEq/kg/day (60-100 mEq). This excess is excreted through the kidneys (90%) and the gut (10 %). Potassium homeostasis is maintained predominantly through the regulation of renal excretion. The most important site of regulation is th cortical collecting tubule, where aldosteron receptors arefatcat:3f4xotjkyzdxvmkmixy75mqx5a