NitroglycerinVasodilator AgentsMedication ErrorsMedication AdherenceDrug ToleranceAdministration, CutaneousAdministration, SublingualVasodilationMedication ReconciliationMedication SystemsMedication Systems, HospitalNicorandilCoronary VesselsBlood PressurePentaerythritol TetranitrateDogsSpasmAldehyde DehydrogenaseTilt-Table TestAngina PectorisPrescription DrugsOintmentsSelf MedicationPeripheral Nervous System AgentsDrug PrescriptionsHeart RateCoronary CirculationDouble-Blind MethodPolypharmacyPatient ComplianceHemodynamicsVascular ResistanceNitric OxideFerricyanidesDrug TherapyBrachial ArteryPsychotropic DrugsCoronary VasospasmTreatment OutcomeAcetylcholineEndothelium, VascularNitric Oxide DonorsIsosorbide DinitrateAntihypertensive AgentsDiltiazemTime FactorsNitratesAntipsychotic AgentsCyclic GMPNitroprussideSyncope, VasovagalNonprescription DrugsInfusions, IntravenousPapaverineDrug UtilizationDose-Response Relationship, DrugDrug Therapy, CombinationMuscle RelaxationProspective StudiesDrug-Related Side Effects and Adverse ReactionsCoronary DiseaseGuanylate CyclasePharmacistsClinical Pharmacy Information SystemsMethylene BlueRegional Blood FlowUnited StatesInjections, Intra-ArterialPharmaceutical PreparationsHypertensionCoronary AngiographyScorpion StingsHydralazineAntidepressive AgentsFissure in AnoBlood Flow VelocityRadial ArteryMedical Order Entry SystemsCyanamideDrug Therapy, Computer-AssistedRetrospective StudiesAortaVasoconstrictionS-NitrosothiolsFollow-Up StudiesDrug InteractionsElectronic PrescribingMuscle, Smooth, VascularDrug Costs