Osmolar ConcentrationPotassiumPotassium ChannelsGuanfacineIoxaglic AcidMannitolDiuresisAdrenergic alpha-2 Receptor AntagonistsSodiumPotassium Channel BlockersPotassium Channels, Inwardly RectifyingHypertonic SolutionsPotassium, DietaryPotassium DeficiencyPotassium Channels, Voltage-GatedPotassium CompoundsAdrenergic alpha-2 Receptor AgonistsNaltrexonePrazosinPotassium IsotopesIdazoxanQuinoxalinesKidneyAdrenergic alpha-AgonistsPotassium ChlorideSodium ChlorideBlood Urea NitrogenShaker Superfamily of Potassium ChannelsNatriuresisContrast MediaReceptors, Adrenergic, alpha-2Kv1.3 Potassium ChannelPotassium IodidePotassium RadioisotopesMembrane PotentialsGlomerular Filtration RateKv1.2 Potassium ChannelShaw Potassium ChannelsKCNQ1 Potassium ChannelWaterHypokalemiaPotassium Channels, Calcium-ActivatedPotassium CitrateEther-A-Go-Go Potassium ChannelsPotassium Channels, Tandem Pore DomainAdrenergic alpha-AntagonistsKCNQ Potassium ChannelsDelayed Rectifier Potassium ChannelsKv1.5 Potassium ChannelKv1.4 Potassium ChannelPotassium PermanganateHyperkalemiaShab Potassium ChannelsRats, Sprague-DawleyShal Potassium ChannelsTetraethylammoniumKCNQ2 Potassium ChannelPatch-Clamp TechniquesKCNQ3 Potassium ChannelLarge-Conductance Calcium-Activated Potassium ChannelsIon Channel GatingPotassium Dichromate4-AminopyridineTetraethylammonium CompoundsElectric ConductivityElectrophysiologyG Protein-Coupled Inwardly-Rectifying Potassium ChannelsRubidiumSmall-Conductance Calcium-Activated Potassium ChannelsCalciumGlyburideOuabainAction PotentialsChloridesKATP ChannelsBarium CompoundsPotassium CyanideCesiumBariumBiological Transport, ActivePotassium AcetateElectrolytesKineticsIon ChannelsBoratesMagnesiumCromakalimCharybdotoxinNeuronsAdenosine TriphosphateIntermediate-Conductance Calcium-Activated Potassium ChannelsHydrogen-Ion ConcentrationGuinea PigsPinacidilLarge-Conductance Calcium-Activated Potassium Channel alpha SubunitsDiazoxideOocytesAldosteroneXenopus laevisDose-Response Relationship, Drug