CalsequestrinMyocardiumProtein IsoformsRyanodine Receptor Calcium Release ChannelMuscle ProteinsHeartSodium ChannelsCalciumSarcoplasmic ReticulumMuscle, SkeletalMyocytes, CardiacCarrier ProteinsCalcium-Binding ProteinsCalreticulinCardiac OutputRabbitsArrhythmias, CardiacMurexideCalcium-Transporting ATPasesMyocardial ContractionMusclesCardiac Surgical ProceduresDogsCardiomegalySarcoplasmic Reticulum Calcium-Transporting ATPasesCalcium SignalingDeath, Sudden, CardiacMixed Function OxygenasesHeart VentriclesTachycardia, VentricularMolecular Sequence DataAmino Acid SequenceAzirinesPhenolsulfonphthaleinSodium-Calcium ExchangerCardiac Pacing, ArtificialCardiac TamponadeHeart FailureHeart DiseasesCalcium Channels, L-TypeMice, TransgenicImmunoproliferative DisordersRNA, MessengerIsoenzymes