Natriuretic Peptide, BrainAtrial Natriuretic FactorPeptide FragmentsBiological MarkersReceptors, Atrial Natriuretic FactorNatriuretic Peptide, C-TypeNatriuretic PeptidesNatriuretic AgentsNatriuresisGuanylate CyclaseCyclic GMPHeart FailureNeprilysinBlood PressureProtein PrecursorsMyocardiumKidneyCardiomegalyHemodynamicsHeart AtriaAldosteroneVentricular Dysfunction, LeftNerve Tissue ProteinsPredictive Value of TestsReninRadioimmunoassaySodiumAdrenomedullinDiuretics