MyocardiumProtein IsoformsHeartSodium ChannelsRyanodine Receptor Calcium Release ChannelMuscle ProteinsMuscle, SkeletalCarrier ProteinsMyocytes, CardiacCalciumCardiac OutputArrhythmias, CardiacCardiac Surgical ProceduresDeath, Sudden, CardiacCardiomegalyCardiac Pacing, ArtificialCardiac TamponadeHeart DiseasesMyocardial ContractionIsoenzymesCardiac CatheterizationHeart VentriclesHeart ArrestMolecular Sequence DataCardiac MyosinsHeart FailureCardiomyopathiesMyoblasts, CardiacTime FactorsCardiac GlycosidesAlternative SplicingElectrocardiographyCardiac Imaging TechniquesHeart RateRNA, MessengerEchocardiographyAmino Acid SequenceTroponin ICardiac Output, LowHemodynamicsCells, CulturedOut-of-Hospital Cardiac ArrestMyocardial InfarctionMyosin Heavy ChainsVentricular RemodelingCardiac VolumeHeart TransplantationVentricular Function, LeftRats, Sprague-DawleyTroponin TBase SequenceDogsHeart Defects, CongenitalBlood PressureStroke VolumeCardiomyopathy, DilatedCardiac Resynchronization TherapyHeart Function TestsCardiotonic AgentsHeart Conduction SystemMice, TransgenicCardiopulmonary ResuscitationSignal TransductionHeart NeoplasmsCardiac Care FacilitiesVentricular Dysfunction, LeftMyocardial IschemiaBlotting, WesternMice, KnockoutFetal HeartTreatment OutcomeMice, Inbred C57BLFibrosisCardiac ElectrophysiologyRats, WistarSarcomeresHeart AtriaModels, CardiovascularTroponinGene Expression RegulationVentricular FunctionProspective StudiesGene ExpressionPhosphorylationHeart InjuriesDisease Models, AnimalAnimals, NewbornReverse Transcriptase Polymerase Chain ReactionCell LineRabbitsDNA, ComplementaryIsomerismMyosinsCardiopulmonary BypassHypertrophy, Left VentricularTransfectionIsoproterenolMutationMyocarditisSodium-Potassium-Exchanging ATPase