CardiomegalyHypertrophyMyocardiumHypertrophy, Left VentricularMyocytes, CardiacHeartErysimumOrgan SizeDisease Models, AnimalAdaptation, PhysiologicalRats, Sprague-DawleyHypertrophy, Right VentricularBlood PressureHeart VentriclesMyocardial ContractionVentricular RemodelingTime FactorsMice, TransgenicEchocardiographyFibrosisMice, KnockoutHemodynamicsSignal TransductionAtrial Natriuretic FactorRNA, MessengerCyclooctanesHeart FailureCalcineurinHypertensionAngiotensin IICardiomyopathy, HypertrophicGene Expression RegulationAgingEndomyocardial FibrosisVentricular Function, LeftCardiomyopathiesCardiac OutputArrhythmias, CardiacMyosin Heavy ChainsRats, WistarCell SizeAnalysis of VarianceOxidative StressCells, CulturedCell EnlargementElectrocardiographyRats, Inbred SHRVentricular PressureCardiotonic AgentsHomeostasisIsoproterenolMyocardial InfarctionAnimals, NewbornElectromyographyCardiomegaly, Exercise-InducedPhenylephrineHeart RateMuscle ProteinsVentricular Dysfunction, LeftConstrictionCardiomyopathy, DilatedHeart DiseasesDose-Response Relationship, DrugRats, Inbred WKYEnergy MetabolismDeath, Sudden, CardiacDogsNeuronsMyocardial StunningMyocardial IschemiaCoronary CirculationCardiac Surgical ProceduresBody WeightCardiac MyosinsNFATC Transcription FactorsVentricular MyosinsGATA4 Transcription FactorEndothelin-1Models, BiologicalVentricular Function, RightInsulinSarcoplasmic Reticulum Calcium-Transporting ATPasesBrainReceptors, Adrenergic, betaDiastoleCalciumHeart AtriaGene ExpressionMuscle CellsSystoleCardiac Output, LowAdrenergic beta-AgonistsPhysical Conditioning, AnimalVentricular FunctionNatriuretic Peptide, BrainAortaHeart Function TestsBlood GlucoseStroke VolumeSarcomeres