#tetralogy_of_Fallot__Fallot's_tetralogy__Fallot's_syndrome  a congenital heart defect producing cyanosis; characterized by four symptoms: pulmonary stenosis and ventricular septal defect and malposition of the aorta over both ventricles and hypertrophy of the right ventricle
  supertype:  congenital_heart_defect  syndrome
  part:  pulmonary_stenosis  abnormal narrowing of the opening into the pulmonary artery from the right ventricle
  part:  ventricular_septal_defect  a common congenital heart defect; an abnormal opening in the septum dividing the ventricles allows blood to pass directly from the left to the right ventricle; large openings may cause congestive heart failure

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