%0 Journal Article %T Accessory mitral valve tissue causing severe left ventricular outflow tract obstruction in a post-Senning patient with transposition of the great arteries %A Prashanth Panduranga %A Thomas Eapen %A Salim Al-Maskari %A Abdullah Al-Farqani %J Heart International %D 2011 %I Wichtig Editore, Milan %R 10.4081/hi.2011.e6 %X Accessory mitral valve tissue is a rare congenital anomaly associated with congenital cardiac defects and is usually detected in the first decade of life. We describe the case of an 18-year old post-Senning asymptomatic patient who was found to have accessory mitral valve tissue on transthoracic echocardiography producing severe left ventricular outflow tract obstruction. %K Accessory mitral valve tissue %K left ventricular outflow tract obstruction %U http://www.pagepress.org/journals/index.php/hi/article/view/2520