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Double inlet left ventricle. (A) Both the AV valves drain into a posterior ventricular chamber of left morphology. (B) External view of the heart: the hypoplastic right ventricle is located in antero-superior position and gives origin to the aorta (discordant ventriculo-arterial connection). Note the restrictive ventricular septal defect (bulbo-ventricular foramen). The arrow indicates the surgical repair of the aortic arch obstruction.
