NifedipineCoronary VesselsCoronary AngiographyCoronary Artery DiseaseCoronary CirculationAngioplasty, Balloon, CoronaryCoronary StenosisCoronary Artery BypassCalcium Channel BlockersCoronary DiseaseCoronary VasospasmCoronary AneurysmCoronary ThrombosisMyocardial InfarctionCoronary RestenosisCoronary OcclusionPercutaneous Coronary InterventionCoronary Care UnitsDiltiazemRisk FactorsVasodilator AgentsTreatment OutcomeTime FactorsVerapamilElectrocardiographyMyocardial IschemiaDogsProspective StudiesBlood PressureStentsHemodynamicsFollow-Up StudiesCalciumUltrasonography, InterventionalHeartCalcinosisCoronary Artery Bypass, Off-PumpVasodilationMyocardiumAngina, UnstableMyocardial RevascularizationDihydropyridinesPredictive Value of TestsNitroglycerinCalcium Channels, L-TypeCardiac CatheterizationEndothelium, VascularPlatelet Aggregation InhibitorsVasoconstrictionHypertensionCalcium ChannelsMuscle, Smooth, VascularRisk AssessmentBlood Flow VelocityNicardipineSwineDose-Response Relationship, DrugTomography, X-Ray ComputedDelayed-Action PreparationsVascular ResistanceExercise TestAdenosineChest PainCollateral CirculationMyocardial ContractionAtenololDouble-Blind MethodGingival OvergrowthRetrospective StudiesBiological MarkersEchocardiographySeverity of Illness IndexCalcium Channel AgonistsCardiovascular AgentsMicrocirculationArteriesAcetylcholineDipyridamoleAdministration, SublingualMyocardial ReperfusionTocolytic AgentsMuscle ContractionVentricular Function, LeftHeart VentriclesErgonovinePlaque, AtheroscleroticRecurrenceFractional Flow Reserve, MyocardialIsosorbide DinitratePrognosisNitric OxideSensitivity and SpecificityMucocutaneous Lymph Node SyndromeTiclopidineAdrenergic beta-AntagonistsPyridinesMultidetector Computed TomographyDrug Therapy, CombinationAngina Pectoris, VariantChi-Square Distribution