Figure 16From: Understanding atrioventricular septal defect: Anatomoechocardiographic correlation Atrioventricular septal defect with common valve. (A) Note the dilatation of the atrioventricular ring with unwedging of the aortic valve. (B) Parasternal short axis echocardiographic image with the same characteristics as in the specimen. Abbreviations: PA: Pulmonary artery. Other abbreviations as before.Back to article page