Nasal MucosaMaxillary SinusParanasal SinusesCranial SinusesCavernous SinusSinus of ValsalvaNasal PolypsNasal SeptumCarotid SinusParanasal Sinus DiseasesFrontal SinusSphenoid SinusCoronary SinusNasal Lavage FluidSinus Thrombosis, IntracranialEthmoid SinusSick Sinus SyndromeNoseParanasal Sinus NeoplasmsNasal DecongestantsNasal BoneNasal SpraysTachycardia, SinusNose NeoplasmsMaxillary Sinus NeoplasmsNose DiseasesPilonidal SinusRhinitisTransverse SinusesTurbinatesNasal CartilagesSuperior Sagittal SinusAdministration, IntranasalSinoatrial NodeNasal LavageNasal Surgical ProceduresSinus Arrest, CardiacSinusitisEndoscopyCerebral VeinsRhinomanometryRhinitis, Allergic, PerennialRhinoplastyAtrial FibrillationStaphylococcal InfectionsOtorhinolaryngologic Surgical ProceduresMaxillary SinusitisTomography, X-Ray ComputedPetrosal Sinus SamplingRespiratory Tract InfectionsElectrocardiographyTreatment OutcomeMycosesLateral Sinus ThrombosisTime FactorsAnti-Bacterial AgentsNose Deformities, AcquiredCardiac Pacing, ArtificialBacterial InfectionsMucoceleHistiocytosis, SinusEthmoid BoneHeart AtriaBradycardiaDogsEpistaxisDura MaterCarotid-Cavernous Sinus FistulaProspective StudiesChronic DiseaseStaphylococcus aureusVirus DiseasesCommon ColdHeart RatePacemaker, ArtificialCarrier StatePressoreceptorsCatheter AblationRetrospective StudiesHeart Conduction SystemOlfactory MucosaRisk FactorsRhinovirusPicornaviridae InfectionsPrevalenceAscaris lumbricoidesSinus PericraniiHIV InfectionsAtrioventricular NodeSyncopeAntibodies, ViralCentral Nervous System Vascular MalformationsPolymerase Chain ReactionFollow-Up StudiesElectric CountershockAirway ResistanceDisease Models, AnimalSensitivity and SpecificityRecurrenceCoronary Vessel Anomalies