StrontiumSarcoplasmic ReticulumCalciumStrontium RadioisotopesRyanodine Receptor Calcium Release ChannelCalcium-Transporting ATPasesPiperidinesBornanesSarcoplasmic Reticulum Calcium-Transporting ATPasesPyrazolesCaffeineCalsequestrinReceptors, CannabinoidStrontium IsotopesCannabinoidsCalcium SignalingRyanodineRNA-Binding ProteinsReceptors, NeurotensinMyocytes, CardiacMyocardial ContractionCalcium-Binding ProteinsMyocardiumRNA SplicingQuinuclidinesReceptors, DrugReceptor, Cannabinoid, CB1Receptors, Neurokinin-2Sodium-Calcium ExchangerRabbitsAdrenergic beta-3 Receptor AntagonistsExcitation Contraction CouplingCalcium ChannelsCalcium Channels, L-TypeCyclohexanolsHeart VentriclesReceptor, Cannabinoid, CB2Muscle ContractionPolyunsaturated AlkamidesEndocannabinoidsBenzoxazinesNaphthalenesRNA PrecursorsNeurokinin-1 Receptor AntagonistsCations, DivalentAlternative SplicingBariumTetracaineNeurotensinReceptors, TachykininMetals, Alkaline EarthCalcium Channel BlockersDose-Response Relationship, DrugMuscle, SkeletalIndolesMuscle Fibers, SkeletalRuthenium RedKineticsDronabinolNuclear ProteinsCannabinoid Receptor AntagonistsHeartRibonucleoproteinsSarcolemmaAdrenergic beta-3 Receptor AgonistsTachykininsReceptors, Neurokinin-3MagnesiumMembrane PotentialsRats, WistarTime FactorsMolecular Sequence DataThapsigarginRats, Sprague-DawleyMusclesMorpholinesEgtazic AcidNucleocytoplasmic Transport ProteinsGuinea PigsPatch-Clamp TechniquesElectric StimulationArachidonic AcidsNeurokinin ACannabinoid Receptor ModulatorsAction PotentialsAdrenergic beta-AgonistsRibonucleoprotein, U1 Small NuclearTriazinesPhosphorylationMuscle ProteinsReceptors, Neurokinin-1Delayed-Action PreparationsHeart AtriaDantroleneBupropionDogsRacemases and EpimerasesVentricular FunctionAtrial FibrillationCalcium-Calmodulin-Dependent Protein Kinase Type 2