title: Negative myocardial technetium-99m pyrophosphate scintigraphy in amyloid heart disease associated with type AA systemic amyloidosis.
mesh_terms: D000328:Adult; D000686:Amyloidosis / Q000000981:diagnostic imaging*; D011756:Diphosphates; D006321:Heart / Q000000981:diagnostic imaging*; D006331:Heart Diseases / Q000000981:diagnostic imaging*; D006801:Humans; D008875:Middle Aged; D011877:Radionuclide Imaging; D000685:Serum Amyloid A Protein / Q000032:analysis; D013667:Technetium; D016698:Technetium Tc 99m Pyrophosphate
chemical_list: D011756:Diphosphates; D000685:Serum Amyloid A Protein; D016698:Technetium Tc 99m Pyrophosphate; D013667:Technetium