RyanodineRyanodine Receptor Calcium Release ChannelSarcoplasmic ReticulumCalciumCalcium ChannelsCalcium SignalingDantroleneMalignant HyperthermiaRuthenium RedMuscle ProteinsCyclic ADP-RiboseInositol 1,4,5-Trisphosphate ReceptorsTacrolimus Binding ProteinsRabbitsCalsequestrinTacrolimus Binding Protein 1ACalcium Channels, L-TypeMuscle, SkeletalMyocardiumMacrocyclic CompoundsSarcoplasmic Reticulum Calcium-Transporting ATPasesAlkaloidsCresolsMuscle Relaxants, CentralCalcium Channel AgonistsCalcium Channel BlockersReceptors, CholinergicIon Channel GatingTetracaineMyopathy, Central CoreMyocytes, CardiacThapsigarginMyocardial ContractionMembrane PotentialsCalcium-Transporting ATPasesMicrosomesInositol 1,4,5-TrisphosphateMuscle ContractionMusclesLipid BilayersMuscle Fibers, SkeletalOxazolesSodium-Calcium ExchangerPatch-Clamp TechniquesFurylfuramideScorpion VenomsBoron CompoundsEgtazic AcidCalmodulinPhosphodiesterase InhibitorsElectrophysiologyHeart VentriclesHeartKineticsDogsAdenosine Diphosphate RiboseCalcium-Binding ProteinsMicroscopy, ConfocalMagnesiumThiazepinesCells, CulturedNifedipineCalcium-Calmodulin-Dependent Protein Kinase Type 2Action PotentialsProtein IsoformsCytosolFura-2Receptors, Cytoplasmic and NuclearPapillary MusclesIntracellular FluidDose-Response Relationship, DrugElectric ConductivityIsoproterenolIntracellular MembranesAdenosine TriphosphateGuinea PigsImmunophilinsSarcolemmaHalothaneCentral Nervous System StimulantsRats, Sprague-DawleyTachycardia, VentricularXanthenesProcaineMolecular Sequence DataCyclic AMP-Dependent Protein KinasesAequorinProtein BindingCryoelectron MicroscopyADP-ribosyl CyclaseBinding SitesIon TransportChelating AgentsElectric StimulationTacrolimusAmino Acid SequenceThimerosalRats, WistarArrhythmias, CardiacMuscle, Smooth