A 72-year-old male comes to the MOPD with intermittent symptoms of dyspnea on exeion, palpitations, and cough occasionally productive of blood. On cardiac auscultation, a low-pitched diastolic rumbling murmur is faintly heard toward the apex. The origin of the patient's problem probably relates to
Rheumatic fever as a youth Long-standing hypeension Silent MI within the past year Congenital origin