Affiliation: | 1.Department of Cardiology, Zhongshan People’s Hospital, Zhongshan City, Guangdong, China ;2.Department of Medical Intensive Care Unit, Zhongshan People’s Hospital, Zhongshan City, Guangdong, China ;3.Department of Geriatrics, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai City, Guangdong, China ; |