1Value of arterial lactate combined with central venous-to-arterial carbon dioxide difference/arterial-central venous oxygen content difference ratio and inferior vena cava diameter distensibility index to guide early fluid resuscitation treatment in septic shock patientsWang Xue-ting, Gao Xue-hua, Cao Wen, Guan Yin, Luo Yan-nian, He Nan-nan, Li Pei-jie703-7082The predictive value of driving pressure in the occurrence of ARDS for ICU patientsZhu Wei-hua, Feng Jing, Liu Kai-feng, Chen Si, Guo Xiu-hua, Wang Na, Wu Na709-7143Predictive value of lung ultrasound for the non-invasive positive ventilation failure in the patients of end-stage renal disease with acute pulmonary edema admitted into emergency departmentZhu Yong-cheng, Jiang Hui-lin, Wu Zhuo-wen, Feng Xue-zhen, Lin Pei-yi715-7184Relationship between the changes of serum Ang Ⅱ KLK1 before and after PCI and the prognosis of STEMI patientsBai Yuan-yuan, Yang Zi-li, Wu Jun-hua719-7235Comparison of airway teaching effect in different clinical scenarios and analysis of related factorsJin Kui, Dai Jia-yuan, Yin Lu, Fu Yang-yang, Yu Shan-shan, Zhang Li-li, Xu Jun, Yu Xue-zhong724-7286The investigation of the awareness rate and implementation rate of emergency medical service workers about telephone-assisted cardiopulmonary resuscitation in BeijingLi Xiao-dan, Zheng Kang, Wang Jun-hong, Zhang Jin-jun, Ma Qing-bian729-7327Diagnostic value of neutrophil CD64 and PCT in the children with community acquired pneumoniaWu Ri-nuan, Li Hua-wen, Huang Shu-qin, Deng Ying-yun, Chen Dong-xu733-7378Clinical characteristics and prognosis of COVID-19 with acute myocardial injuryGuo Jing-jing, Liu Cheng, Ye Xun, Xu Gui-dong, Liu Jian, Qian Jin-xian, Yang Xin-jing738-7429Analysis of suspected cases with negative nucleic acid test during the epidemic period of coronavirus disease 2019Gao Yan-xia, Du Hua, Yuan Ding, Duan Guo-yu, Sun Chang-hua, Che Lu, Xu Zhi-gao, Li Su-juan, Yan Gai-qin, Yu Yan-wu743-74810Retrospective analysis for clinical data of suspected COVID-19 cases in fever clinic of a third-class hospital in BeijingCheng Yang, Sun Cheng-dong, Zhao Bin, Li Li, Chen Hui, Zheng Ting-ting749-75211A questionnaire survey on doctor-patient relationship in China under the COVID-19 epidemicGao Yu-lei, Wang Zi-yi, Gui Yong-gang, Wang Yi, Shou Song-tao, Chai Yan-fen, Lu Wen-li753-75812Correlation between the expression of inflammatory mediators and clinical prognosis in the patients with exertional heat strokeYin Xiao-xue, Ye Gang759-76213The reconsideration of the reliability of inferior vena cava index in evaluating the fluid responsiveness of septic shock patientsZhao Hao-tian, Long Ling, Ren Shan, Zhao He-ling763-76714Physiologic parameters feedback for directing the cardiopulmonary resuscitationWang Min, Zhou Man-hong768-77215Effects of human amniotic mesenchymal stem cells transplantation on the expression of inducible nitric oxide synthase after spinal cord injury in ratsLi Bin, Yu De-shui772-77616Application of bedside ultrasound in emergency airway managementWang Bing-xia, Geng Ping, Cao Peng, Yang Yan, Jiang Chi, Wang Da-sheng, Tan Ding-yu, Xu Jun, Yu Xue-zhong782-787 