RegenerationNerve RegenerationLiver RegenerationMyocytes, CardiacHeartMyocardiumBone RegenerationTissue EngineeringArrhythmias, CardiacCardiac OutputModels, CardiovascularMyocardial ContractionHeart VentriclesHeart Conduction SystemCardiac Surgical ProceduresGuided Tissue RegenerationDeath, Sudden, CardiacTissue ScaffoldsHeart DiseasesTime FactorsCardiomegalyRats, Sprague-DawleyCardiac ElectrophysiologyCardiac Pacing, ArtificialCells, CulturedCardiomyopathiesMyoblasts, CardiacDisease Models, AnimalCell DifferentiationStem CellsVentricular FunctionMyocardial InfarctionHeart AtriaPlanariansAction PotentialsHepatectomyRats, WistarDogsMice, Inbred C57BLHeart FailureAnimals, NewbornCardiac TamponadeAxonsCardiotonic AgentsVentricular RemodelingSalamandridaeHeart RateElectrocardiographyRegenerative MedicineAmbystoma mexicanumMyocarditisCardiomyopathy, DilatedMyocardial IschemiaCardiac CatheterizationImmunohistochemistryModels, AnimalExtremitiesCell ProliferationSignal TransductionDecanoatesStem Cell TransplantationFibrosisHeart TransplantationNerve CrushEchocardiographyRNA, MessengerHeart InjuriesMice, KnockoutHeart ArrestPurkinje FibersCalciumRabbitsPericardiumBiocompatible MaterialsGene Expression RegulationMuscle, SkeletalVentricular Function, LeftMice, TransgenicNotophthalmus viridescensMyocardial Reperfusion InjuryHeart Function TestsHemodynamicsTroponin ITissue Culture TechniquesSarcomeresAnimal FinsWound HealingHeart Defects, CongenitalCardiac Imaging TechniquesVentricular FibrillationChagas CardiomyopathyCardiac MyosinsComputer SimulationConnexin 43Muscle CellsMitochondria, HeartBioreactorsZebrafishSatellite Cells, Skeletal MuscleModels, Biological