HeartArteriesHeart RatePulmonary ArteryCarotid ArteriesCerebral ArteriesFemoral ArteryRenal ArteryMesenteric ArteriesBasilar ArteryHeart FailureIliac ArteryVertebral ArteryCoronary Artery BypassHeart DiseasesRadial ArteryMammary ArteriesHeart Defects, CongenitalHeart TransplantationCarotid Artery, InternalSubclavian ArteryCarotid Artery DiseasesBrachial ArterySplenic ArteryCarotid Artery, CommonHepatic ArteryFetal HeartCoronary VesselsCoronary DiseaseCeliac ArteryOphthalmic ArteryMesenteric Artery, SuperiorHeart ValvesUmbilical ArteriesMiddle Cerebral ArteryRenal Artery ObstructionThoracic ArteriesTime FactorsHeart AtriaTemporal ArteriesHemodynamicsBronchial ArteriesPopliteal ArteryTreatment OutcomeUlnar ArteryMyocardiumVasodilationUterine ArteryMyocardial IschemiaMyocardial InfarctionHeart BlockCoronary AngiographyCarotid Artery, ExternalRisk FactorsVasoconstrictionDogsMuscle, Smooth, VascularHeart Arrest, InducedVasodilator AgentsArterial Occlusive DiseasesFollow-Up StudiesCarotid Artery InjuriesAngiographyEndothelium, VascularProspective StudiesHeart Function TestsMyocardial ContractionTomography, X-Ray ComputedRegional Blood FlowAxillary ArteryInfarction, Middle Cerebral ArteryStentsEchocardiographyRetinal Artery OcclusionVentricular Function, LeftRats, Sprague-DawleyCarotid Artery ThrombosisRetrospective StudiesDisease Models, AnimalMeningeal ArteriesAneurysmCarotid StenosisRats, WistarMyocytes, CardiacPredictive Value of TestsRabbitsVasoconstrictor AgentsMagnetic Resonance AngiographyNorepinephrineStroke VolumeCerebral AngiographyCardiotonic AgentsCardiac Output, LowExercise TestBlood PressureDose-Response Relationship, DrugConstriction, PathologicCardiac CatheterizationCoronary StenosisMaxillary Artery