Decanoic AcidsHydroxy AcidsClonazepamDiazoxideMitochondria, HeartMitochondriaIschemic Preconditioning, MyocardialMitoxantroneCalcium SignalingCalciumSodium-Calcium ExchangerOxidative PhosphorylationMyocardial Reperfusion InjuryPotassium ChannelsMyocytes, CardiacFluorescent DyesOxygen ConsumptionCytosolMyocardial ContractionAdenosine TriphosphateMicroscopy, FluorescenceCytoplasmCells, CulturedRats, WistarKinetics