Supravalvular aortic stenosis (SVAS) is the major cardiac lesion of Williams Syndrome (WS). WS also has features of mental retardation (MR), characteristic facies and variable hypercalcemia in infancy ...
A two-month-old baby diagnosed with supravalvular aortic stenosis (SVAS) and supravalvular pulmonary stenosis (SVPS), a rare type of obstruction in blood flow to both large arteries of the heart, ...