Guidelines for the Management of Patients With Valvular Heart Disease
A report of the American College of Cardiology and American Heart Association Task Force on Practice Guidelines.
A lot to be found here, including regurgitation, causes of valvular disease, therapy and surgeries available. An excellent diagram of regurgitant mitral valve in motion is shown.
Heart Valve Answers - St. Jude Medical
Details on mechanical heart valves and tissue valves. Highlights patient stories and features information on valve durability, hemodynamic performance, operative risk and life expectancy.
The Merck Manual
Looks at stenosis and regurgitation for aortic, mitral and tricuspid valves, their symptoms and signs, diagnosis and treatment. A look at pulmonary valves and idiopathic hypertrophic subaortic stenosis.
euroSCORE for Patients
Provides an interactive tool that allows a patient to work out their own risk for all forms of cardiac surgery such as valve surgery.