A 50-year-old man with aortic stenosis is doing exercise for 11 minutes according to Bruce protocol. Exercise had to be stopped due to fatigue. He had a peak sytolic gradient of 60 mmHg across the aortic valve at rest. What is the best management for this patient?
Medical management Aortic valve replacement Aortic valve balloon dilatation to prevent further worsening Coronary angiography