Concerning valvular heart disease, the following is/are true:

c. Stenosis is the most common lesion of the aortic valve

d. Rheumatic heart disease is the most common cause of valve dysfunction

Aortic valvular stenosis is the most common type of valvular lesion followed by mitral stenosis. Anatomically, the pulmonic valve is the most anterior of the cardiac valves. Rheumatic heart disease is the most common cause of valve dysfunction and the most common cause of multivalvular disease.