Fig. 2.From: Pulmonary atresia with a ventricular septal defect and left pulmonary artery discontinuity: a case report Prenatal echocardiogram showing an atretic main pulmonary artery giving rise to the right pulmonary artery (arrow) (a), left subclavian artery (LSA) from aortic arch (b), and left pulmonary artery (LPA) arising from the left subclavian artery (c)Back to article page