Figure 2
From: Congenital quadricuspid aortic valve associated with aortic insufficiency and mitral regurgitation
Computerized tomography angiogram of a quadricuspid aortic valve (QAV) patient. Figure 2A, three normal cusps and one accessory dysplastic cusp with central aortic regurgitation (AR); Figure 2B, the dysplastic cusp located between left and right coronary sinuses, and ascending aorta (AAo) was dilated. LCA, left coronary artery; RCA, right coronary artery.