Patient Presents With Heart Failure

A 65-year-old man presents with heart failure. A biopsy of the heart is obtained. What is your diagnosis?

A 65-year-old man presents with heart failure. A biopsy of the heart is obtained.

What is your diagnosis?

A. Atrial myxoma

B. Myocardial infarction

C. Cardiac amyloidosis

D. Papillary fibroelastoma

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