Carotid SinusCarotid ArteriesPressoreceptorsCarotid StenosisCircadian RhythmCarotid Artery DiseasesCarotid BodySyncopeEndarterectomy, CarotidCarotid Artery, InternalChemoreceptor CellsMassageCarotid Artery, CommonCranial SinusesMaxillary SinusSinus of ValsalvaReflexCavernous SinusParanasal SinusesCarotid Artery, ExternalBlood PressureDenervationBaroreflexDogsFrontal SinusSphenoid SinusParanasal Sinus DiseasesVagotomyTilt-Table TestSick Sinus SyndromeHeart RateCoronary SinusSyncope, VasovagalVagus NerveCarotid Artery ThrombosisSinus Thrombosis, IntracranialGlossopharyngeal NerveSodium CyanideCatsCarotid Artery InjuriesRespirationBradycardiaEthmoid SinusCarotid Body TumorCarotid Intima-Media ThicknessHeart MassageNeurons, EfferentPhrenic NerveSympathetic Nervous SystemAutonomic DenervationVascular ResistanceParanasal Sinus NeoplasmsFludrocortisoneElectrocardiographyTunica IntimaEndarterectomyPacemaker, ArtificialTunica MediaReflex, AbnormalHeart SoundsChloraloseTachycardia, SinusAccidental FallsTime FactorsAtrial FibrillationAnesthesiaCardiac Pacing, ArtificialMaxillary Sinus NeoplasmsCarotid Artery, Internal, DissectionDizzinessSympathectomyPeriodicityBiological ClocksElectric StimulationCross CirculationSyndromeCarbon DioxideVeratrineMedulla OblongataHemodynamicsProspective StudiesPilonidal SinusSuprachiasmatic NucleusEfferent PathwaysTreatment OutcomeNeckCerebral AngiographyAnoxiaPressureRabbitsAction PotentialsTransverse SinusesBlood CirculationSinoatrial NodePeriod Circadian ProteinsHeart AtriaAortaUltrasonography, Doppler, DuplexSuperior Sagittal SinusCircadian Rhythm Signaling Peptides and Proteins