Carotid SinusBradycardiaCarotid ArteriesPressoreceptorsCarotid StenosisCarotid Artery DiseasesCarotid BodySyncopeEndarterectomy, CarotidCarotid Artery, InternalChemoreceptor CellsReflexMassageCarotid Artery, CommonCranial SinusesMaxillary SinusSinus of ValsalvaHeart RateBlood PressureCavernous SinusParanasal SinusesCarotid Artery, ExternalBaroreflexVagus NerveDenervationSick Sinus SyndromeVagotomyDogsTilt-Table TestSyncope, VasovagalFrontal SinusSphenoid SinusParanasal Sinus DiseasesCoronary SinusRespirationSodium CyanideCatsCarotid Artery ThrombosisHypotensionSinus Thrombosis, IntracranialGlossopharyngeal NerveSympathetic Nervous SystemCarotid Artery InjuriesNeurons, EfferentPacemaker, ArtificialElectrocardiographyEthmoid SinusCarotid Body TumorAnesthesiaVascular ResistancePhrenic NerveCarotid Intima-Media ThicknessSinoatrial NodeApneaHeart MassageReflex, AbnormalChloraloseTachycardia, SinusAutonomic DenervationParanasal Sinus NeoplasmsFludrocortisoneCardiac Pacing, ArtificialMedulla OblongataTunica IntimaAtropineHemodynamicsEndarterectomyTunica MediaHeart SoundsAccidental FallsVeratrineElectric StimulationAnoxiaTime FactorsHeartDizzinessMaxillary Sinus NeoplasmsBlood CirculationEfferent PathwaysSyndromeRabbitsCarbon DioxideCarotid Artery, Internal, DissectionHeart BlockAutonomic Nervous SystemProspective StudiesDecerebrate StateSympathectomyCross CirculationCardiovascular SystemAutonomic Nerve BlockCardiac OutputTreatment OutcomePilonidal SinusAortaNeckCerebral AngiographyVasomotor SystemPressureTransverse Sinuses