Hypothermia, InducedHypothermiaHeart ArrestHypoxia-Ischemia, BrainOut-of-Hospital Cardiac ArrestCardiopulmonary ResuscitationRewarmingAsphyxia NeonatorumBody TemperatureComaResuscitationBrain InjuriesTreatment OutcomeShiveringEmergency Medical ServicesVentricular FibrillationInfant, NewbornBody Temperature RegulationDrowningTime FactorsMyocytes, CardiacIntensive Care Units, PediatricElectroencephalographyIntensive CareCritical CareIntracranial PressureNervous System DiseasesBrain DiseasesHospitals, PediatricNeurologic ExaminationRetrospective StudiesCA1 Region, HippocampalCardiac OutputMonitoring, PhysiologicClinical ProtocolsSeizuresFeasibility StudiesDisease Models, AnimalProspective StudiesHeartBrainBrain IschemiaPennsylvaniaCardiac Surgical ProceduresArrhythmias, CardiacElectrocardiographyPrognosisDeath, Sudden, CardiacIntensive Care UnitsGermanySurvival AnalysisSurvivorsCohort StudiesCirculatory Arrest, Deep Hypothermia InducedRandomized Controlled Trials as TopicSeverity of Illness IndexMagnetic Resonance ImagingMyocardiumHeart DiseasesCardiomegalyCardiac TamponadeCardiac Pacing, ArtificialMyocardial Contraction