Brachial ArteryMoritellaFemoral ArteryArteriesFemoracetabular ImpingementVasodilationPopliteal VeinPostphlebitic SyndromeForearmRegional Blood FlowEndothelium, VascularNitroglycerinHyperemiaFemoral VeinCarotid ArteriesRadial ArteryPulmonary ArteryAneurysm, FalseHydrostatic PressureCerebral ArteriesBlood Flow VelocityRenal ArteryVasodilator AgentsUtahMesenteric ArteriesAcetabulumCarotid Artery, CommonAxillary ArteryBasilar ArteryVenous PressureUlnar ArteryUltrasonography, Doppler, DuplexUltrasonography, DopplerSubclavian ArteryFemur HeadBlood PressureActuarial AnalysisHip JointIliac ArteryUltrasonography, Doppler, PulsedVertebral ArteryCoronary Artery BypassVaricose UlcerCadaverMammary ArteriesCarotid Artery DiseasesCarotid Artery, InternalCompliancePlethysmographyArmPulsatile FlowCoronary VesselsRetrospective StudiesSplenic ArteryVasoconstrictionPhlebographyGeologic SedimentsFollow-Up StudiesCatheterization, PeripheralHepatic Arteryomega-N-MethylargininePredictive Value of TestsAngiographyCross-Over StudiesNitroprussideDilatation, PathologicPopliteal ArteryInfusions, Intra-ArterialTime FactorsArteriovenous Shunt, SurgicalCeliac ArteryOphthalmic ArteryArterial Occlusive DiseasesMesenteric Artery, SuperiorNitric OxideVascular ResistanceTreatment OutcomeHemodynamicsCoronary AngiographyVascular DiseasesRisk FactorsUmbilical ArteriesMiddle Cerebral ArteryRenal Artery ObstructionThoracic ArteriesCoronary DiseaseMuscle, Smooth, VascularTemporal ArteriesAneurysmLaser-Doppler FlowmetryBronchial ArteriesAtherosclerosisVascular PatencyCrutchesTunica MediaProspective StudiesExerciseInjections, Intra-ArterialHeart RateAcetylcholine