Vertebral Artery DissectionVertebral ArteryAneurysm, DissectingCarotid Artery, Internal, DissectionLateral Medullary SyndromeVertebrobasilar InsufficiencyCerebral AngiographyMagnetic Resonance AngiographyHeadacheChiropracticNeck PainIntracranial AneurysmSubarachnoid HemorrhageCoronary AneurysmTomography, X-Ray ComputedDissectionCerebral InfarctionMagnetic Resonance ImagingBasilar ArteryArteriesAngiographyFibromuscular DysplasiaHordeolumSubclavian ArteryAnticoagulantsHorner SyndromeNeck InjuriesSubclavian Steal SyndromeFollow-Up StudiesBrain Stem InfarctionsCarcinoma, LobularCarotid ArteriesStentsCarotid Artery DiseasesRenal ArteryRupture, SpontaneousEmbolization, TherapeuticMesenteric Artery, SuperiorPuerperal DisordersPulmonary ArteryNeckTreatment OutcomeHypoglossal Nerve DiseasesCerebral ArteriesAortic AneurysmAneurysm, RupturedNeck DissectionInfarctionCervical VertebraeAneurysm, FalseCranial Nerve DiseasesCeliac ArteryArterial Occlusive DiseasesWounds, NonpenetratingHematoma