What Is the Structural Abnormality in This Patient?

ABSTRACT: A 59-year-old man presented to our hospital reporting 3 months of exertional dyspnea, ortopnea, paroxysmal nocturnal dyspnea, and lower leg edema. On physical examination, he had jugular venous distention, bibasilar rales, large tender liver, and peripheral edema. On cardiac auscultation,...