title: High plasma atrial natriuretic peptide independent of sodium balance in SIADH.
mesh_terms: D000368:Aged; D009320:Atrial Natriuretic Factor / Q000097:blood*; D005110:Extracellular Space; D006801:Humans; D007177:Inappropriate ADH Syndrome / Q000097:blood*; D008297:Male; D012964:Sodium / Q000097:blood*
chemical_list: D009320:Atrial Natriuretic Factor; D012964:Sodium