Carotid SinusCarotid ArteriesPressoreceptorsCarotid StenosisCarotid Artery DiseasesCarotid BodyNeckSyncopeEndarterectomy, CarotidCarotid Artery, InternalHead and Neck NeoplasmsMassageChemoreceptor CellsCarotid Artery, CommonCranial SinusesMaxillary SinusSinus of ValsalvaReflexCavernous SinusParanasal SinusesCarotid Artery, ExternalBlood PressureDenervationBaroreflexNeck PainFrontal SinusDogsParanasal Sinus DiseasesSphenoid SinusTilt-Table TestVagotomySick Sinus SyndromeCoronary SinusSyncope, VasovagalVagus NerveHeart RateCarotid Artery ThrombosisSinus Thrombosis, IntracranialGlossopharyngeal NerveCarotid Artery InjuriesSodium CyanideCarotid Body TumorCatsEthmoid SinusBradycardiaCarotid Intima-Media ThicknessRespirationNeurons, EfferentHeart MassageSympathetic Nervous SystemParanasal Sinus NeoplasmsVascular ResistancePhrenic NerveAutonomic DenervationNeck InjuriesFludrocortisoneTunica IntimaEndarterectomyReflex, AbnormalTunica MediaChloraloseTachycardia, SinusHeart SoundsAccidental FallsPacemaker, ArtificialAnesthesiaMaxillary Sinus NeoplasmsCarotid Artery, Internal, DissectionDizzinessTime FactorsFemoral Neck FracturesSyndromeSympathectomyElectrocardiographyCerebral AngiographyCross CirculationProspective StudiesVeratrineTreatment OutcomePilonidal SinusHemodynamicsCarbon DioxidePressureElectric StimulationTomography, X-Ray ComputedAnoxiaTransverse SinusesEfferent PathwaysRabbitsBlood CirculationCardiac Pacing, ArtificialUltrasonography, Doppler, DuplexAortaMedulla OblongataAorta, ThoracicSuperior Sagittal SinusStentsVasomotor SystemFollow-Up StudiesHypesthesia