Understanding Bicuspid Aortopathy – Why Does the Aorta Become Enlarged? Hello everyone! I’m Alvaro, and welcome back to Medical Monday. Today we’re going to tackle a Bicuspid Aortopathy – Why Does the Aorta Become Enlarged in Patients with Bicuspid aortic valve ? A bicuspid aortic valve (BAV) is the most common congenital heart valve abnormality, affecting about 1–2% of the population. Instead of having three valve leaflets, the aortic valve develops with only two.But the va