DyspneaHeart FailureNatriuretic Peptide, BrainHeartAcute DiseaseCapnographyRadiography, ThoracicHeart RateProspective StudiesEmergency Medical ServicesBiological MarkersAdrenomedullinCardiac Output, LowHeart Failure, SystolicLung DiseasesPhysical ExaminationHeart Failure, DiastolicSensitivity and SpecificityTotal Quality ManagementPredictive Value of TestsPrognosisEmergenciesStroke VolumeHeart DiseasesMyocardiumPeptide FragmentsHeart TransplantationCardiomyopathy, DilatedVentricular Function, LeftVentricular Dysfunction, LeftHemodynamicsChronic DiseaseRisk AssessmentTreatment OutcomeTreatment FailureExercise ToleranceEchocardiographyAdrenergic beta-AntagonistsVentricular RemodelingExercise TestTime FactorsHeart Defects, CongenitalCardiotonic AgentsFollow-Up StudiesMyocardial ContractionSeverity of Illness IndexProbabilityCardiac Pacing, ArtificialHeart Function TestsCardiomyopathiesDiureticsCardiomegalyRisk FactorsPulmonary Disease, Chronic ObstructiveMyocardial InfarctionHeart AtriaHospitalizationMyocytes, CardiacAngiotensin-Converting Enzyme InhibitorsHeart-Assist DevicesRetrospective StudiesMyocardial IschemiaFetal HeartPropanolaminesRespiratory Function TestsHeart VentriclesSystoleDiastoleDisease Models, AnimalDouble-Blind MethodOxygen ConsumptionDogsHeart ValvesAtrial Natriuretic FactorDyspnea, ParoxysmalEchocardiography, DopplerDigoxinKidney Failure, ChronicPatient ReadmissionQuality of LifePulmonary Wedge PressureVentricular DysfunctionHeart BlockCarbazolesProportional Hazards ModelsSympathetic Nervous SystemNatriuretic AgentsElectrocardiographySurvival AnalysisCohort StudiesVentricular PressureForced Expiratory VolumeSurvival RateDisease ProgressionCardiovascular AgentsBlood PressurePacemaker, ArtificialMineralocorticoid Receptor AntagonistsCoronary DiseaseMetoprolol