PotassiumPotassium, DietarySodiumDiuresisNatriuresisKidneyHypokalemiaHyperkalemiaSodium, DietaryAldosteroneElectrolytesWater-Electrolyte BalancePotassium ChannelsUrine Specimen CollectionFurosemideBlood PressureFludrocortisoneGlomerular Filtration RateKidney Tubules, DistalDiabetes InsipidusDiet, Sodium-RestrictedSodium Chloride, DietaryHypertensionUrodynamicsReninDiureticsSodium ChlorideCreatinineUrineDietRenal CirculationKidney TubulesPotassium Channel BlockersPotassium Channels, Inwardly RectifyingPotassium DeficiencyNephrectomyDogsPotassium CompoundsPotassium Channels, Voltage-GatedOsmolar ConcentrationBody WeightTime FactorsHemodynamicsRats, Sprague-DawleyPotassium IsotopesPotassium ChlorideShaker Superfamily of Potassium ChannelsKv1.3 Potassium ChannelPotassium IodidePotassium RadioisotopesMembrane PotentialsKv1.2 Potassium ChannelPotassium CitrateShaw Potassium ChannelsFecesBileKCNQ1 Potassium ChannelPotassium Channels, Calcium-ActivatedEther-A-Go-Go Potassium ChannelsPotassium Channels, Tandem Pore DomainKCNQ Potassium ChannelsDelayed Rectifier Potassium ChannelsKv1.5 Potassium ChannelKv1.4 Potassium ChannelPotassium PermanganateTetraethylammoniumShab Potassium ChannelsCalciumShal Potassium ChannelsKCNQ2 Potassium ChannelPatch-Clamp TechniquesKCNQ3 Potassium ChannelLarge-Conductance Calcium-Activated Potassium ChannelsPotassium DichromateIon Channel GatingChloridesAlbuminuria4-AminopyridineTetraethylammonium CompoundsElectric ConductivityNitrogenElectrophysiologyG Protein-Coupled Inwardly-Rectifying Potassium ChannelsOuabainRubidiumDose-Response Relationship, DrugIntestinal AbsorptionAbsorptionKineticsRats, WistarSmall-Conductance Calcium-Activated Potassium ChannelsHydrogen-Ion ConcentrationGlyburideAction PotentialsMagnesiumProteinuriaBiliary TractUreaBiological Transport, ActiveRats, Inbred Strains