Electric Stimulation TherapyDevice ApprovalDefibrillators, ImplantableDrug ApprovalElectric StimulationEquipment SafetyEquipment DesignEquipment FailureUnited States Food and Drug AdministrationImplantable NeurostimulatorsProstheses and ImplantsTachycardia, VentricularDevice RemovalElectric CountershockPacemaker, ArtificialElectrodes, ImplantedVentricular FibrillationDeath, Sudden, CardiacInfusion Pumps, ImplantableArrhythmias, CardiacEquipment Failure AnalysisEquipment and SuppliesIntrauterine DevicesTreatment OutcomeTime FactorsElectric InjuriesProsthesis ImplantationTelemetrySyncopeProduct Surveillance, PostmarketingStimulation, ChemicalCardiac Resynchronization Therapy DevicesElectric Power SuppliesCardiac Pacing, ArtificialPhysical StimulationDeep Brain StimulationAnti-Arrhythmia AgentsFollow-Up StudiesRadio Frequency Identification DeviceSeptal Occluder DeviceElectrocardiographyHeart FailureUnited StatesMicrofluidic Analytical TechniquesNeural ProsthesesAmplifiers, ElectronicMiniaturizationTranscranial Magnetic StimulationAmiodaroneMonitoring, AmbulatoryProspective StudiesElectrocardiography, AmbulatorySelf-Help DevicesRetrospective StudiesProsthesis DesignHeart-Assist DevicesCatheters, IndwellingCardiac Resynchronization TherapyElectromagnetic PhenomenaElectrodesElectronicsOptical DevicesMonitoring, PhysiologicElectronics, MedicalClinical Trials as TopicElectrophysiologic Techniques, CardiacIntrauterine Devices, CopperEthics Committees, ResearchProsthesis-Related InfectionsTachycardiaCells, CulturedFeasibility StudiesHeart ArrestReproducibility of ResultsRemote Sensing TechnologyEthics CommitteesRisk AssessmentMicro-Electrical-Mechanical SystemsEthical ReviewPrimary PreventionBiosensing TechniquesMedical Device LegislationOrphan Drug ProductionForeign-Body MigrationBiocompatible MaterialsRisk FactorsSemiconductorsLab-On-A-Chip DevicesTransducersSensitivity and SpecificityTranscutaneous Electric Nerve StimulationStroke VolumeElectromagnetic FieldsBiomedical EngineeringVentricular Dysfunction, LeftCardiomyopathiesDrug IndustryMaterials TestingRats, Sprague-DawleyCardiomyopathy, Dilated