Great Ormond Street Hospital for Children NHS Trust

Hypoplastic left heart syndrome

Intact atrial septum

Interatrial communication (ASD) through coronary sinus orifice

Interrupted Ao arch between L subclavian & L common carotid arteries (type B)

Interrupted Ao arch distal to L subclavian artery (type A)

Isolation of right subclavian artery

Isomerism of RA appendages (R isomerism)

Muscular VSD

Overriding tricuspid valve

Patent arterial duct (PDA)

Patent foramen ovale (PFO)

Perimembranous VSD

Preductal aortic coarctation

Premature closure of foramen ovale

Premature restriction of foramen ovale

Pulmonary atresia - imperforate valve

Pulmonary atresia + intact ventricular septum / Hypoplastic Right Heart

Pulmonary atresia + VSD (including Fallot type)

Pulmonary atresia + VSD + 'MAPCA'(s)

RA appendage (left) juxtaposition

Sinus venosus ASD with overriding IVC (inferior defect)

Sinus venosus ASD with overriding SVC (superior defect)

Solitary ventricle of indeterminate morphology

Straddling mitral valve

Syst to pulm collateral (MAPCA) connecting with central Pas

Totally anomalous pulmonary venous connection - infracardiac

Totally anomalous pulmonary venous connection - intracardiac

Totally anomalous pulmonary venous connection - supracardiac

Tricuspid atresia