MTP 007 Clinical questions to be addressed: What is the course and prognosis of aortic stenosis? Aortic insufficiency? Mitral stenosis? Mitral insufficiency? Mitral valve prolapse? What is the best medical therapy for aortic insufficiency? Mitral insufficiency? When should I refer my patient with asymptomatic valvular disease for further investigation and surgery? Is there a role for percutaneous balloon aortic or mitral valvuloplasty? How often should I get echocardiograms in patients with valvular heart disease? What is the appropriate follow-up for patients with valvular heart disease?