What you want to ask is the normal value of right ventricular outflow tract in the First Affiliated Hospital of Xi Jiaotong University? The normal value of right ventricular outflow tract in the First Affiliated Hospital of Xi Jiaotong University is 19-22mm. The First Affiliated Hospital of Xi Jiaotong University refers to the First Affiliated Hospital of Xi Jiaotong University (formerly the First Affiliated Hospital of Xi Medical University), and the normal value of its right ventricular outflow tract measured on the short-axis section of the heart near the sternum is 19-22mm. The First Affiliated Hospital of Xi Jiaotong University is the largest comprehensive third-class first-class hospital integrating medical treatment, teaching, scientific research, rehabilitation and preventive health care in northwest China.