AnoxiaMyocytes, CardiacHypoxia, BrainCardiac OutputOxygenHeartTurtlesCell HypoxiaArrhythmias, CardiacCardiac Surgical ProceduresDeath, Sudden, CardiacMyocardiumAnaerobiosisArtemiaMyocardial ContractionTime FactorsCardiomegalyCardiac TamponadePyruvate DecarboxylaseCardiac Pacing, ArtificialHeart DiseasesHeart ArrestHeart VentriclesSodium CyanideCardiac CatheterizationCotyledonAdenosine TriphosphateCalciumPotassium CyanideOxygen ConsumptionHeart RatePotassiumPotamogetonaceaeMyoblasts, CardiacAdaptation, PhysiologicalHeart FailureCardiomyopathiesCarpsGlycolysisCardiac MyosinsCardiac Imaging TechniquesElectrocardiographyRats, Sprague-DawleyCells, CulturedCardiac GlycosidesRats, WistarEchocardiographyMyocardial IschemiaCardiac Output, LowOut-of-Hospital Cardiac ArrestKillifishesL-Lactate DehydrogenaseHemodynamicsEnergy MetabolismMyocardial InfarctionCardiac VolumeVentricular RemodelingIridaceaeHeart TransplantationHydrogen-Ion ConcentrationAraliaceaeTroponin IVentricular Function, LeftDinitrophenolsAnimals, NewbornDogsHepatopancreasMitochondria, HeartBlood PressureAcorusVeratrineModels, CardiovascularAerobiosisHeart Defects, CongenitalSodiumOryza sativaGlucoseStroke VolumeMyocardial Reperfusion InjuryCardiac Resynchronization TherapyAmobarbitalHeart Function TestsGuinea PigsTroponin TRabbitsEchinochloaHeart Conduction SystemPerfusionCardiopulmonary ResuscitationProtoveratrinesHeart NeoplasmsCardiac Care FacilitiesAction PotentialsSagittariaLactic AcidCardiomyopathy, DilatedVentricular Dysfunction, LeftCardiotonic AgentsTreatment OutcomeNystatin