Medical Career: Ma Liqin, Associate Chief Physician, graduated from the Department of Medicine of the First Military Medical University in 1988, holding a master's degree in Cardiovascular Medicine. Specializes in minimally invasive interventional treatments for congenital heart disease and chronic valvular heart disease (e.g., interventional treatment for patent ductus arteriosus, atrial septal defect, ventricular septal defect, pulmonary valve stenosis, mitral valve stenosis, coronary artery fistula, etc.). Specialist clinic hours: Every Tuesday afternoon. Research Achievements: Awarded one individual third-class merit. Received one second-class prize for scientific and technological progress from Guangdong Province. Participated in over 10 various research funds and published more than 30 papers. Academic Appointments: Member of the Structural Heart Disease Group, Cardiovascular Disease Branch, Guangdong Medical Association; Standing Committee Member of the Structural Heart Disease Branch, Guangdong Interventional Cardiology Society; Member of the First Committee of the Cardiovascular Disease Professional Committee, Guangdong Health Management Association; Standing Committee Member of the First Committee of the Cardiac Intensive Care Physician Branch, Guangdong Medical Doctor Association; Member of the Cardiac Intensive Care Expert Committee, Cross-Strait Medical and Health Exchange Association.