Emergency Department Key Laboratory of Complex Severe and Rare Diseases Union Medical College Hospital Academy of Medical Science and Peking Union Medical College 100730;
Department of Cardiology Union Medical College Hospital Academy of Medical Sciences and Peking Union Medical College 100730;
Faculty of Health and Medicine of Health Research University LAI 4YW Kingdom;
Sepsis; Septic shock; Speckle-tracking echocardiography; Global longitudinal strain; Global circumferential strain;