Yang Xinhua,Chief Physician,Over 30 years’ of experience in clinical work, Member of Chongqing Cardiopulmonary Resuscitation Committee, Chongqing Hypertension Special Committee, Chongqing Arrhythmia Special Committee, Chongqing Geriatric Disease Special Committee of Integrated Traditional Chinese and Western Medicine. Specialty: diagnosis and treatment of common diseases in the elderly, treatment of chronic nephritis, chronic nephrotic syndrome, heart and kidney failure, elderly hypertension, coronary heart disease, acute myocardial infarction, arrhythmia, acute left heart failure, chronic heart failure, rich experience, with a special focus on blood purification treatment and vascular intervention treatment.