详细解释:【医】 法乐氏四联症, 四联畸形
英语解释：
名词 tetralogy of fallot:
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同义词：Fallot's tetralogy, Fallot's syndrome