VasodilationVasodilator AgentsArteriolesMilrinoneNitric OxideRegional Blood FlowMeclofenamic AcidHemodynamicsVascular ResistanceVasoconstrictionNiacinamideBlood PressureForearmNitroprussideEndothelium, VascularNG-Nitroarginine Methyl EsterCoronary VesselsIndomethacinAcetylcholineomega-N-MethylarginineMesenteric ArteriesGlyburideRats, Sprague-DawleyDose-Response Relationship, DrugNitric Oxide SynthaseMicrocirculationAorta, ThoracicEnzyme InhibitorsDogsCromakalimCoronary CirculationPinacidilNitroglycerinBenzopyransHeart RateAortaRats, WistarPotassium ChannelsKidneyAnti-Arrhythmia AgentsAcetazolamideIsosorbide DinitrateHyperemiaKATP ChannelsImino PyranosesDecanoic AcidsHydroxy AcidsMethylene BlueVasoconstrictor AgentsAntihypertensive AgentsGuanidinesShockNitric Oxide Synthase Type IIIPyrrolesCyclic GMPVentricular Premature ComplexesCeliprololAngina PectorisAdenosine TriphosphateMuscle, Smooth, VascularIschemic Preconditioning, MyocardialNicardipineArteriesLaser-Doppler FlowmetryNitric Oxide DonorsPicolinesOxadiazolesAdrenomedullinRenal CirculationCerebrovascular CirculationBlood Flow VelocityMyocardial IschemiaRectovaginal FistulaInfusions, IntravenousEndothelium-Dependent Relaxing FactorsFlushingMyocardial InfarctionInjections, IntravenousCalcitonin Gene-Related PeptideVasoplegiaEpoprostenolCalcium Channel BlockersAminophyllineDiltiazemCardiotonic Agents8,11,14-Eicosatrienoic AcidAdenosineMuscle RelaxationPotassium ChlorideVasomotor SystemCyclooxygenase InhibitorsGuanylate CyclaseNifedipineNitratesHypotensionOral UlcerVasopressinsRenal ArteryProstaglandinsArginine Vasopressin