Atrial Natriuretic FactorReceptors, Atrial Natriuretic FactorNatriuretic AgentsNatriuretic Peptide, BrainNatriuresisCyclic GMPNatriuretic Peptide, C-TypeGuanylate CyclaseCardiomegalyNatriuretic PeptidesHeart AtriaMyocardiumBlood PressureDiuresisRats, Inbred StrainsKidneyAldosteroneHemodynamicsReninPhenylephrineNeprilysinAtrial FunctionRadioimmunoassayHeartHeart VentriclesElectrolytesPurinonesReceptors, Cell SurfaceHeart FailureAngiotensin IIRats, Inbred WKY3',5'-Cyclic-GMP PhosphodiesterasesSodium ChlorideDogsCells, CulturedSodiumRats, Inbred SHRPeptide FragmentsRats, Sprague-DawleyRenin-Angiotensin SystemBlood VolumeHypertensionArginine VasopressinProtein PrecursorsNorepinephrineMyocytes, CardiacRenal CirculationHormonesRNA, MessengerGATA4 Transcription FactorHematocritEndothelinsHypotensionHeart RateConsciousnessVascular ResistanceAdrenal CortexMuscle ProteinsHypertrophyGlomerular Filtration RateDiureticsDose-Response Relationship, DrugSodium, DietaryAnimals, NewbornNitroprussideAortaGene Expression RegulationCyclic GMP-Dependent Protein KinasesTime FactorsMyosin Heavy ChainsEndothelin-1Cyclic AMPVasopressinsHypertension, RenovascularHyponatremiaSuspensionsDesoxycorticosteroneRh IsoimmunizationMuscle, Smooth, VascularMolecular Sequence DataGene ExpressionCardiomyopathy, RestrictiveSecond Messenger SystemsBiological MarkersCardiac OutputAmino Acid SequenceSympathectomy, ChemicalEnalaprilatInfusions, IntravenousSella Turcica1-Methyl-3-isobutylxanthineBinding, CompetitiveKineticsSignal TransductionCell SizeCardiomyopathy, DilatedChromatography, High Pressure LiquidExchange Transfusion, Whole BloodRats, WistarMyocardial Contraction