A 28-year-old woman with rheumatic heart disease presents with exertional dyspnea. On examination, S1 is loud and a raised JVP with prominent a waves is noted. Which pathology best explains these findings?
A
Mitral regurgitation with atrial fibrillation
B
Mitral stenosis with pulmonary hypertension
C
Tricuspid regurgitation secondary to RV failure