Cardiomyopathy, DilatedCardiomyopathy, HypertrophicHeartCardiomyopathiesCardiomyopathy, RestrictiveTakotsubo CardiomyopathyHeart RateCardiomyopathy, Hypertrophic, FamilialHeart FailureChagas CardiomyopathyMyocardiumCardiomyopathy, AlcoholicEchocardiographyHeart DiseasesHeart TransplantationArrhythmogenic Right Ventricular DysplasiaVentricular Function, LeftVentricular Dysfunction, LeftHeart SeptumMyocardial ContractionDiabetic CardiomyopathiesHeart Defects, CongenitalMyocarditisMyocytes, CardiacElectrocardiographyStroke VolumeHeart VentriclesMyocardial IschemiaFetal HeartHeart BlockDeath, Sudden, CardiacHemodynamicsVentricular Outflow ObstructionHeart AtriaCardiac MyosinsHeart Function TestsEchocardiography, DopplerVentricular RemodelingHeart ValvesCardiomegalyFibrosisEndocardiumHypertrophy, Left VentricularTachycardia, VentricularCardiac Pacing, ArtificialVentricular MyosinsEndomyocardial FibrosisPeripartum PeriodSarcomeresMyosin Heavy ChainsDiastoleFollow-Up StudiesTime FactorsAdrenergic beta-AntagonistsCardiotonic AgentsDisease Models, AnimalPedigreeSystoleTroponin TMutationTreatment OutcomeArrhythmias, CardiacCardiac Output, LowPlakophilinsCardiac CatheterizationLamin Type ADefibrillators, ImplantableDeath, SuddenVentricular DysfunctionProspective StudiesMagnetic Resonance Imaging, CinePrognosisPhenotypeSarcoglycansPuerperal DisordersRisk FactorsNatriuretic Peptide, BrainPredictive Value of TestsElectrocardiography, AmbulatoryMitral Valve InsufficiencyVentricular PressureDesmoglein 2Exercise TestHeart Arrest, InducedMutation, MissensePropanolaminesDesminCoronary Disease3-IodobenzylguanidineMyocardial InfarctionMice, TransgenicHeart-Assist DevicesIsolated Noncompaction of the Ventricular MyocardiumDystrophinGlycogen Storage Disease Type IIbRetrospective StudiesTachycardiaCatheter AblationPregnancy Complications, CardiovascularPacemaker, Artificial