Chen Lijun, Associate Chief Physician Mainly engaged in the diagnosis of pediatric cardiovascular diseases and cardiac function assessment, with expertise in the ultrasound diagnosis and evaluation of various common and rare congenital heart diseases. Currently serves as a member of the Women and Children's Group of the Ultrasound Specialized Committee of the Chinese Association of Integrative Medicine, a member of the Pediatric Group of the Ultrasound Branch of the Shanghai Medical Doctor Association, and a member of the Pediatric Ultrasound Specialized Committee of the Ultrasound Branch of the Shanghai Society of Community Medical Practitioners. Major research achievements: Published over ten SCI, EI, and core journal papers as the first author or corresponding author. Led four projects, including the National Natural Science Foundation of China, and participated in multiple national, municipal, and bureau-level projects. Contributed to the compilation of two books and the translation of three books, serving as deputy chief translator for two of them. Recent research project funding (past five years, as one of the top three leaders): National Natural Science Foundation of China, project titled "Preliminary Study on the Mechanism of Right Heart Dysfunction Using Echocardiography Combined with Computational Fluid Dynamics."