1
A 46-year-old woman with long-standing rheumatic heart disease presents with fatigue, abdominal distension, and pedal edema. Examination shows a prominent a-wave in JVP and a low-pitched mid-diastolic murmur at the left lower sternal border that increases with inspiration. What is the most likely diagnosis?
B
Tricuspid regurgitation
D
Pulmonary regurgitation