Water-Electrolyte ImbalanceHypernatremiaPotassium DeficiencyHypoaldosteronismHypokalemiaElectrolytesWater-Electrolyte BalancePotassiumAllelic ImbalanceSodiumChloridesAcid-Base ImbalanceHyponatremiaAcid-Base EquilibriumOsmolar ConcentrationBicarbonatesFluid TherapyWaterElectrolysisSodium ChlorideBody WaterRehydration SolutionsJejunumHyperkalemiaCatharticsIntestinal AbsorptionDiuresisHydrogen-Ion ConcentrationKidney