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Published online by Cambridge University Press: 21 September 2011
Transoesophageal echocardiography is a useful tool for the intra-operative assessment of surgical repair in children with congenital cardiac malformations. We report the case of a subaortic membrane removal in a nine-year-old boy. Three-dimensional transoesophageal echocardiography revealed a mitral perforation created during the procedure.