Case Report A 29 year-old female patient with double inlet left ventricle, ventricle septal defect, malposition of the great arteries and subpulmonary obstacle, submitted to a modified Fontan procedure, at 9 years of age, presented with severely symptomatic brady-tachy syndrome (palpitations and syncope). Since venous access to the right ventricle was absent (due to the surgical redirection of venous blood flow from the right atrium to the pulmonary artery bypassing the ventricles) and the AV conduction was normal, it was […]