A 67-year-old woman comes to the physician for a two-month history of progressive shortness of breath with exertion. Auscultation of the chest shows an S4 heart sound. Serum calcium is 10.6 mg/dL. MCV is 108 fL. Urine dipstick shows 1+ protein. Biopsy of myocardium is shown.
Which of the following is most likely to be seen in this patient?
Abnormal serum globulins
Normal pulmonary capillary wedge pressure
Osteoblastic metastases on bone scan
Reduced ejection fraction
Soft P2 heart sound