Angina ,dyspnea and syncope is seen with:

The valve area is approximately 0.5-1cmsquare in severe aoic stenosis whereas it is normally approximately 4cmsquare. The aoic stenosis leads to concentric left ventricular hyperophy. If untreated most pateints with aoic stenosis will die within 5yrs of developing angina ,within 3yrs of developing syncope,and within 2yrs of CHF onset .(ref Robbins 9th/555)