PotassiumPotassium ChannelsNitric Oxide SynthasePotassium Channel BlockersPotassium Channels, Inwardly RectifyingPotassium, DietaryPotassium DeficiencyPotassium Channels, Voltage-GatedNitric Oxide Synthase Type IIPotassium CompoundsOxidesPotassium IsotopesNitric Oxide Synthase Type IIIPotassium ChlorideNitric Oxide Synthase Type IShaker Superfamily of Potassium ChannelsKv1.3 Potassium ChannelPotassium IodideSodiumNitrogen OxidesPotassium RadioisotopesMembrane PotentialsKv1.2 Potassium ChannelZinc OxideShaw Potassium ChannelsPotassium Channels, Calcium-ActivatedKCNQ1 Potassium ChannelHypokalemiaPotassium CitrateEther-A-Go-Go Potassium ChannelsPotassium Channels, Tandem Pore DomainNG-Nitroarginine Methyl EsterKCNQ Potassium ChannelsDelayed Rectifier Potassium ChannelsKv1.5 Potassium ChannelPotassium PermanganateKv1.4 Potassium ChannelArginineHyperkalemiaTetraethylammoniumNitritesShab Potassium ChannelsShal Potassium ChannelsPatch-Clamp TechniquesEnzyme InhibitorsKCNQ2 Potassium ChannelLarge-Conductance Calcium-Activated Potassium ChannelsKCNQ3 Potassium Channelomega-N-MethylarginineRats, Sprague-DawleyIon Channel GatingNitratesCalciumDose-Response Relationship, DrugPotassium DichromateElectrophysiology4-AminopyridineElectric ConductivityTetraethylammonium CompoundsGlyburideG Protein-Coupled Inwardly-Rectifying Potassium ChannelsVasodilationRubidiumNitroprussideAction PotentialsRats, WistarCells, CulturedOuabainSmall-Conductance Calcium-Activated Potassium ChannelsCyclic GMPTime FactorsS-Nitroso-N-AcetylpenicillamineVasodilator AgentsKineticsEndothelium, VascularAmino Acid OxidoreductasesKATP ChannelsBarium CompoundsChloridesPenicillaminePotassium CyanideNeuronsCesiumNitroso CompoundsBlood PressureElectrolytesMagnesium OxideGuinea PigsHydrogen-Ion ConcentrationCharybdotoxinBariumAdenosine TriphosphateAcetylcholineBiological Transport, ActiveFerrosoferric OxideMolsidominePotassium AcetateIon ChannelsCromakalimRabbits