张大爷因持续高热一周门诊医生怀疑他得了“伤寒”而住进了传染科病房,住院后边检查边治疗,诊断仍不能确立,因为诊断伤寒的几项特异性化验始终是阴性,而他的高热不退、厌食、乏力、衰竭等中毒症状越来越重。医生又怀疑他得了“败血症”,给其增加了抗生素的种类和剂量,仍然无效。一拖 Uncle Zhang has been admitted to the Infectious Diseases Ward due to a fever-related one-week outpatient doctor’s suspicion that he has been admitted to the Infectious Diseases Ward. After inpatient treatment, the diagnosis can not be confirmed because several specific tests to diagnose typhoid fever are always negative and his fever No retreat, anorexia, fatigue, failure and other symptoms of poisoning more and more. The doctor also suspected he had “septicemia” and added antibiotic types and doses that were still ineffective. A drag