This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Left vertricular hypertrophy is not a feature of 
Select and explain. 
A. Mitral regurgitation, B. Isolated mitral stenosis, C. Isolated ventricular septal defect, D. Aortic stenosis
B: Isolated mitral stenosis
Answer: B: Isolated mitral stenosis 
Explanation: None