Interdisciplinary StudiesHeartKansasItalyHeart RateStreptokinaseTennesseeBiologyOrganizational ObjectivesHeart FailureTranslational Medical ResearchHeart DiseasesHeart TransplantationHeart Defects, CongenitalMyocardial InfarctionFetal HeartSoftwareTreatment OutcomeHeart ValvesHeart AtriaHeart BlockMyocardiumHeart Arrest, InducedHeart Function TestsMyocardial ContractionMyocardial IschemiaMyocytes, CardiacTime FactorsHemodynamicsCoronary DiseaseCardiac Output, LowVentricular Function, LeftHeart, ArtificialPerfusionHeart Failure, SystolicRisk FactorsCardiomyopathy, DilatedCardiomegalyHeart InjuriesHeart Rate, FetalHeart SeptumCardiotonic AgentsStroke VolumeCardiomyopathiesRheumatic Heart DiseaseEchocardiographyHeart ArrestMyocardial Reperfusion InjuryHeart Valve ProsthesisVentricular Dysfunction, LeftAdrenergic beta-AntagonistsHeart Failure, DiastolicDogsAmerican Heart AssociationProspective StudiesVentricular RemodelingRats, Sprague-DawleyFollow-Up StudiesOxygen ConsumptionRats, WistarChronic DiseaseDisease Models, AnimalAutonomic Nervous SystemCardiac Pacing, ArtificialHeart Septal DefectsHypoplastic Left Heart SyndromeHeart NeoplasmsNational Heart, Lung, and Blood Institute (U.S.)Natriuretic Peptide, BrainVentricular PressureExercise TestSympathetic Nervous SystemModels, CardiovascularRabbitsSystoleEndocardiumDiastoleBiological MarkersCalciumIsoproterenolMolecular Sequence DataRNA, MessengerPropanolaminesRetrospective StudiesDose-Response Relationship, DrugHeart Septal Defects, VentricularRisk AssessmentIschemic Preconditioning, MyocardialCardiovascular DiseasesAge FactorsPrognosisMyocarditisHeart-Assist DevicesPredictive Value of TestsNorepinephrineElectrocardiography, AmbulatoryMice, Inbred C57BLUnited StatesCohort StudiesAnti-Arrhythmia Agents