急诊科是医院的窗口 ,接诊各种急、危、重、创病人 ,各种急诊危重症常可在短时间内威胁病人的生命。这就给医务人员提出高难度素质要求 ,因此 ,及时、尽早作出疾病的正确诊断 ,除依赖病人的病史和体格检查外 ,合理选用必要的辅助检查 ,对早期确定疾病的诊断具有非常重要的社会 The emergency department is the window of the hospital. It is used to treat all kinds of emergencies, dangers, weights, and wounds. Various emergency critical illnesses can often threaten the lives of patients in a short period of time. This gives medical personnel high quality requirements. Therefore, timely and early diagnosis of the disease should be made. In addition to relying on the patient’s medical history and physical examination, the necessary auxiliary examinations should be reasonably selected to have a very important role in the early diagnosis of disease.