Hypothermia, InducedHypothermiaRewarmingBody TemperatureMyocytes, CardiacHeart ArrestCardiac OutputHypoxia-Ischemia, BrainHeartCardiac Surgical ProceduresArrhythmias, CardiacDeath, Sudden, CardiacBody Temperature RegulationCardiopulmonary ResuscitationCirculatory Arrest, Deep Hypothermia InducedTime FactorsOut-of-Hospital Cardiac ArrestMyocardiumHeart DiseasesCardiomegalyCardiac TamponadeCardiac Pacing, ArtificialMyocardial ContractionAsphyxia NeonatorumCardiac CatheterizationShiveringCardiopulmonary BypassTreatment OutcomeHeart VentriclesComaRats, Sprague-DawleyHeart Arrest, InducedHeart RateElectrocardiographyCold TemperatureDisease Models, AnimalHemodynamicsResuscitationMyoblasts, CardiacHeart FailureCardiomyopathiesCardiac MyosinsCardiac Imaging TechniquesBlood PressureMyocardial InfarctionCardiac GlycosidesDogsExtracorporeal CirculationBrain InjuriesEchocardiographyRats, WistarCardiac Output, LowVentricular FibrillationVentricular Function, LeftVentricular RemodelingBrain IschemiaHypoxia, BrainCardiac VolumeAsphyxiaBrainHeart TransplantationProspective StudiesHeart Defects, CongenitalTroponin IHeatingIntraoperative ComplicationsInfant, NewbornHeart Conduction SystemMyocardial IschemiaTroponin TAnimals, NewbornCardiotonic AgentsStroke VolumeCardiac Resynchronization TherapyHeart Function TestsRetrospective StudiesAnesthesiaCalciumHeart NeoplasmsCardiac Care FacilitiesSkin TemperatureMice, Inbred C57BLDose-Response Relationship, DrugOxygen ConsumptionPostoperative ComplicationsCardiomyopathy, DilatedVentricular Dysfunction, LeftEmergency Medical ServicesCells, CulturedIntraoperative CareCardiac ElectrophysiologyMyocardial Reperfusion InjurySwinePerfusionModels, CardiovascularFibrosisBradycardiaFollow-Up StudiesFetal HeartElectroencephalography