A 81-year-old retired businessman presents to the office for…
A 81-year-old retired businessman presents to the office for his annual exam. He is sitting quietly on the exam table. You direct the patient to lean forward, exhale completely, and briefly hold his breath after exhalation. At the end of expiration, you auscultate a soft, high-pitched, early diastolic decrescendo murmur heard best at Erb’s point. You identify this murmur as: