Cyclic GMPAtrial Natriuretic FactorNatriuretic Peptide, BrainReceptors, Atrial Natriuretic FactorNatriuretic Peptide, C-TypeNatriuretic PeptidesDibutyryl Cyclic GMPGuanylate CyclaseNatriuretic AgentsPurinones3',5'-Cyclic-GMP PhosphodiesterasesMethylene BlueNatriuresisCyclic AMPNitroprussideNitric OxideCyclic GMP-Dependent Protein KinasesNucleotides, CyclicGuanosine Monophosphate1-Methyl-3-isobutylxanthinePeptide FragmentsOxadiazolesMuscle RelaxationHeart FailurePhosphodiesterase InhibitorsRod Cell Outer SegmentBiological MarkersPhotoreceptor CellsPenicillamineMyocardiumCyclic Nucleotide Phosphodiesterases, Type 53',5'-Cyclic-AMP PhosphodiesterasesS-Nitroso-N-AcetylpenicillaminePhosphoric Diester HydrolasesAorta, ThoracicRats, Inbred StrainsNitric Oxide Donors8-Bromo Cyclic Adenosine MonophosphateMuscle, Smooth, VascularNeprilysinArginineBlood PressureKidneyDose-Response Relationship, DrugCalciumMolsidomineQuinoxalinesCells, CulturedNitric Oxide SynthaseVasodilator AgentsKineticsCardiomegalyGMP ReductaseProtein PrecursorsRats, Sprague-DawleyRats, WistarCyclic GMP-Dependent Protein Kinase Type IRana catesbeianaHemodynamicsAortaAminoquinolinesEndothelium, VascularSecond Messenger SystemsCattleRadioimmunoassayEnzyme InhibitorsNitroarginineHeart AtriaNerve Tissue ProteinsSodiumCarbacholomega-N-MethylargininePapaverineNG-Nitroarginine Methyl EsterTheophyllineNitroglycerinAldosteroneTime FactorsNorepinephrineVasodilationHeart VentriclesVentricular Dysfunction, LeftIsoproterenolNitroso CompoundsHeartStimulation, ChemicalAcetylcholinePhenylephrineThiorphanDiureticsAngiotensin IIDogsEnzyme ActivationBucladesineS-NitrosoglutathionePredictive Value of TestsRabbitsGuinea PigsRolipramRenin