Paediatric Cardiology Services Coarctation of the aorta (aortic arch obstruction) Aortic regurgitation Aortic valve stenosis Atrial septal defect (ASD) Atrioventricular septal defect Cardiomyopathy and myocarditis Congenital heart disease Patent ductus arteriosus (PDA) Functionally univentricular heart Hypoplastic left heart syndrome Tetralogy of Fallot ventricular septal defect (VSD)