Vertebral Artery DissectionVertebral ArteryAneurysm, DissectingCarotid Artery, Internal, DissectionLateral Medullary SyndromeVertebrobasilar InsufficiencyCerebral AngiographyMagnetic Resonance AngiographyHeadacheChiropracticNeck PainIntracranial AneurysmCoronary VesselsCoronary AneurysmSubarachnoid HemorrhageCoronary AngiographyTomography, X-Ray ComputedDissectionMagnetic Resonance ImagingCerebral InfarctionArteriesCoronary Artery DiseaseBasilar ArteryCoronary CirculationCoronary Artery BypassAngiographyAngioplasty, Balloon, CoronaryFibromuscular DysplasiaAnticoagulantsCarotid Artery, InternalSubclavian ArteryFollow-Up StudiesHorner SyndromeNeck InjuriesStentsSubclavian Steal SyndromeCoronary StenosisBrain Stem InfarctionsTreatment OutcomeAngiography, Digital SubtractionCarotid ArteriesRupture, SpontaneousCarotid Artery DiseasesCoronary DiseaseRenal ArteryPulmonary ArteryEmbolization, TherapeuticMesenteric Artery, SuperiorPuerperal DisordersNeckHypoglossal Nerve DiseasesAortic AneurysmCerebral ArteriesMyocardial InfarctionAneurysm, RupturedRetrospective StudiesInfarctionNeck DissectionAneurysm, FalseCoronary VasospasmArterial Occlusive DiseasesCervical VertebraeCranial Nerve DiseasesTime FactorsHematomaWounds, NonpenetratingCeliac ArteryRisk FactorsFemoral Artery