Department of Cardiology ,Changhai Hospital, Second Military Medical University, Shanghai 200433,China;
Department of Cardiology, Changzheng Hospital, Second Military Medical University, Shanghai 200003, China;
Department of Cardiology ,Changhai Hospital, Second Military Medical University, Shanghai 200433,China;
Department of Cardiology ,Changhai Hospital, Second Military Medical University, Shanghai 200433,China;
Department of Ultrasonography,Changhai Hospital, Second Military Medical University, Shanghai 200433,China;
Department of Cardiology ,Changhai Hospital, Second Military Medical University, Shanghai 200433,China;
Department of Cardiology ,Changhai Hospital, Second Military Medical University, Shanghai 200433,China;
Department of Cardiology ,Changhai Hospital, Second Military Medical University, Shanghai 200433,China;