Cranial SinusesMaxillary SinusParanasal SinusesSinus of ValsalvaCavernous SinusMyocytes, CardiacCarotid SinusFrontal SinusParanasal Sinus DiseasesSphenoid SinusCoronary SinusCardiac OutputSinus Thrombosis, IntracranialHeartSick Sinus SyndromeEthmoid SinusArrhythmias, CardiacCardiac Surgical ProceduresDeath, Sudden, CardiacParanasal Sinus NeoplasmsCardiac Pacing, ArtificialTachycardia, SinusMaxillary Sinus NeoplasmsElectrocardiographyCardiac CatheterizationHeart DiseasesCardiomegalyPilonidal SinusCardiac TamponadeMyocardiumHeart RateTransverse SinusesMyocardial ContractionHeart VentriclesSinoatrial NodeSuperior Sagittal SinusHeart ArrestHeart FailureHeart Conduction SystemHeart AtriaEchocardiographyTime FactorsCardiomyopathiesMyoblasts, CardiacHemodynamicsDogsAtrial FibrillationCardiac MyosinsCardiac Imaging TechniquesTreatment OutcomeSinus Arrest, CardiacPacemaker, ArtificialCardiac Output, LowCardiac GlycosidesBlood PressureBradycardiaMyocardial InfarctionVentricular Function, LeftHeart TransplantationOut-of-Hospital Cardiac ArrestCardiac VolumeCerebral VeinsVentricular RemodelingHeart Defects, CongenitalTroponin IStroke VolumeCardiac Resynchronization TherapyHeart Function TestsProspective StudiesTomography, X-Ray ComputedElectric CountershockCardiomyopathy, DilatedFollow-Up StudiesVentricular Dysfunction, LeftModels, CardiovascularCardiac ElectrophysiologyHeart BlockAnti-Arrhythmia AgentsCardiotonic AgentsTroponin TMyocardial IschemiaPetrosal Sinus SamplingHeart NeoplasmsRetrospective StudiesCardiopulmonary ResuscitationSyncopeCardiac Care FacilitiesFetal HeartVentricular FunctionPressoreceptorsLateral Sinus ThrombosisVagus NerveCatheter AblationAtrioventricular NodeFibrosisRats, Sprague-DawleyDisease Models, AnimalMaxillary SinusitisHistiocytosis, SinusCardiopulmonary Bypass