Uterine HemorrhageHemorrhageCerebral HemorrhageSubarachnoid HemorrhageArteriesIntracranial HemorrhagesPulmonary ArteryRetinal HemorrhageCerebral ArteriesCarotid ArteriesBasilar ArteryRenal ArteryPostpartum HemorrhageFemoral ArteryMesenteric ArteriesGastrointestinal HemorrhageVitreous HemorrhageVertebral ArteryEye HemorrhageIliac ArteryCoronary Artery BypassCarotid Artery, InternalRadial ArteryMammary ArteriesTomography, X-Ray ComputedCarotid Artery DiseasesSubclavian ArterySplenic ArteryVasospasm, IntracranialHepatic ArteryBasal Ganglia HemorrhageIntracranial AneurysmBrachial ArteryCerebral AngiographyHematomaCarotid Artery, CommonPostoperative HemorrhageIntracranial Hemorrhage, HypertensiveCoronary VesselsMiddle Cerebral ArteryTreatment OutcomeCeliac ArteryOphthalmic ArteryMesenteric Artery, SuperiorAneurysm, RupturedUmbilical ArteriesTemporal ArteriesTime FactorsRenal Artery ObstructionThoracic ArteriesAngiographyBronchial ArteriesPeptic Ulcer HemorrhageChoroid HemorrhageEmbolization, TherapeuticRetrospective StudiesPopliteal ArteryUterine ArteryUlnar ArteryProspective StudiesCarotid Artery, ExternalPutaminal HemorrhageRupture, SpontaneousVasoconstrictionCoronary AngiographyVasodilationBrain IschemiaRisk FactorsArterial Occlusive DiseasesFollow-Up StudiesMuscle, Smooth, VascularStrokeInfarction, Middle Cerebral ArteryBlood PressureCarotid Artery InjuriesCerebral InfarctionAneurysmCerebrovascular CirculationRetrobulbar HemorrhageIntracranial Arteriovenous MalformationsMagnetic Resonance AngiographyCerebral VentriclesEndothelium, VascularCarotid Artery ThrombosisCoronary DiseaseStentsMagnetic Resonance ImagingPostoperative ComplicationsCarotid StenosisVasodilator AgentsAngiography, Digital SubtractionMeningeal ArteriesRegional Blood FlowAxillary ArteryDogsDisease Models, AnimalRetinal Artery OcclusionHemodynamicsShock, HemorrhagicHematoma, Subdural