ACE and left ventricular hypertrophy: Though the biggest number of studies have been performed for I/D polymorphism among various kinds of polymorphisms existing in ACE gene in relation to the change in cardiac structure and function including various cardiovascular diseases and left ventricular hypertrophy (LVH) up to now as it shows significant association with ACE level in tissues and serum, the results of studies have shown difference between study groups [9-11].