title: Endomyocardial biopsy-proven light chain amyloidosis (AL) without echocardiographic features of infiltrative cardiomyopathy.
abstract: Amyloid cardiomyopathy may exist when echocardiography does not suggest infiltration. Clinicians should be alert for the presence of a monoclonal protein, nephrotic range proteinuria, or peripheral neuropathy in a patient with heart failure.
authors.affiliation: Division of Hematology and Internal Medicine, Mayo Clinic and Mayo Foundation, Rochester, Minnesota 55905, USA.
authors.forename: M A
authors.initials: MA
authors.lastname: Gertz
authors.forename: M
authors.initials: M
authors.lastname: Grogan
authors.forename: R A
authors.initials: RA
authors.lastname: Kyle
authors.forename: A J
authors.initials: AJ
authors.lastname: Tajik
mesh_terms: D000368:Aged; D000686:Amyloidosis / Q000378:metabolism / Q000473:pathology*; D001706:Biopsy; D004452:Echocardiography; D005260:Female; D006333:Heart Failure / Q000000981:diagnostic imaging*; D006801:Humans; D007147:Immunoglobulin Light Chains / Q000032:analysis*; D008297:Male; D008875:Middle Aged; D009206:Myocardium / Q000473:pathology*; D012189:Retrospective Studies
chemical_list: D007147:Immunoglobulin Light Chains