“…As the aortic valve normally forms from the embryonic truncus arteriosus, abnormalities in this area may lead to the development of a quadricuspid aortic valve as well as other congenital cardiac defects involving the coronary arteries, the left ventricular outflow tract, the pulmonary valve or the inter-atrial septum [14]. A host of congenital cardiac anomalies has been reported in association with QAV which include, ventricular or atrial septal defect (VSD, ASD) [15,16], pulmonary valve stenosis, sub-aortic fibromuscular stenosis [17], supra-valvular stenosis with left coronary atresia [12], dilatation of the ascending aorta (rarely in contrast to BAV) [8], patent ductus arteriosus [18], tetralogy of Fallot [19,20] with pulmonary atresia [20], hypertrophic obstructive cardiomyopathy [21], aneurysm of Valsalva sinus [22,23] descending aorta-to-pulmonary artery fistula [24] mitral valve prolapse [25], persistent left superior vena cava, right ventricular non-compaction [26] and partial pulmonary venous return anomaly (with ASD) [26].…”