Coronary AngiographyCoronary VesselsCoronary Artery DiseaseMultidetector Computed TomographyCoronary StenosisCoronary CirculationTomography, X-Ray ComputedAngioplasty, Balloon, CoronaryRadiographic Image Interpretation, Computer-AssistedCalcium SignalingExamination TablesVascular CalcificationRadiation DosagePlaque, AtheroscleroticCoronary Artery BypassMyocardial Perfusion ImagingCoronary DiseaseCardiac-Gated Imaging TechniquesRadiographic Image EnhancementCalcium ChannelsIohexolCalcium, DietaryCoronary VasospasmPredictive Value of TestsCalcinosisCoronary AneurysmMyocardial RevascularizationCoronary ThrombosisElectrocardiographyProspective StudiesMyocardial InfarctionCoronary RestenosisContrast MediaSeverity of Illness IndexReproducibility of ResultsCalcium CarbonateCoronary OcclusionSensitivity and SpecificityPercutaneous Coronary InterventionRisk AssessmentRisk FactorsCalcium PhosphatesTime FactorsChi-Square DistributionCalcium IsotopesCoronary Care UnitsCalcium ChloridePrognosisTreatment OutcomeMyocardial IschemiaDogsFollow-Up StudiesCalcium Channels, L-TypeStentsAcute Coronary SyndromeCalcium OxalateMyocardiumUltrasonography, InterventionalCalcium GluconateHeartCoronary Artery Bypass, Off-PumpAngina, UnstableCalcium RadioisotopesVasodilator AgentsHemodynamicsVasodilationPlatelet Aggregation InhibitorsCardiac CatheterizationRetrospective StudiesSwineEndothelium, VascularCalcium CompoundsAdenosineBiological MarkersBlood Flow VelocityChest PainCalcium Channels, N-TypeEgtazic AcidCollateral CirculationBlood PressureCalcium Channel AgonistsMyocardial ContractionDose-Response Relationship, DrugNifedipineTomography, Spiral ComputedCells, CulturedNitroglycerinEchocardiographyExercise TestCalcimycinMyocardial ReperfusionDipyridamoleTomography, Emission-Computed, Single-PhotonVascular ResistanceVasoconstrictionCardiovascular AgentsRecurrenceMuscle, Smooth, VascularHeart VentriclesPhosphorus