title: 44-year-old man with exertional dyspnea, weight loss, and palpitations.
authors.affiliation: Resident in Internal Medicine, Mayo School of Graduate Medical Education, Rochester, MN.
authors.forename: Thomas M
authors.initials: TM
authors.lastname: Waterbury
authors.affiliation: Resident in Internal Medicine, Mayo School of Graduate Medical Education, Rochester, MN.
authors.forename: Chance M
authors.initials: CM
authors.lastname: Witt
authors.affiliation: Advisor to residents and Consultant in Cardiovascular Diseases, Mayo Clinic, Rochester, MN. Electronic address: miller.wayne@mayo.edu.
authors.forename: Wayne L
authors.initials: WL
authors.lastname: Miller
mesh_terms: D000273:Adipose Tissue / Q000473:pathology; D000328:Adult; D000686:Amyloidosis / Q000175:diagnosis* / Q000209:etiology / Q000473:pathology; D001145:Arrhythmias, Cardiac / Q000209:etiology*; D004417:Dyspnea / Q000209:etiology*; D004452:Echocardiography; D006331:Heart Diseases / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D008297:Male; D009101:Multiple Myeloma / Q000150:complications / Q000175:diagnosis* / Q000473:pathology; D005082:Physical Exertion; D015431:Weight Loss