Department of Critical Care Medicine Hospital of Guizhou Medical University 550004 Province;
Department of Critical Care Medicine Sixth Hospital of Guiyang 550002 Province;
Department of Respiratory Medicine First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine 550002 Province;
School of Basic Medicine University of Traditional Chinese Medicine 550002 Province;
Department of Thoracic Surgery Hospital of Guizhou Medical University 550004 Province;
Department of Respiratory and Critical Care Medicine Chao-Yang Hospital 100020;
Beijing Institute of Respiratory Medicine Chao-Yang Hospital 100020;
Beijing Key Laboratory of Respiratory and Pulmonary Circulation Chao-Yang Hospital 100020;
Septic shock; RESUSCITATION; VASOPRESSOR; NOREPINEPHRINE; VASOPRESSIN; Timing;