一.伤寒一类病的病原菌有几种?其临床症状有无不同? 伤寒是由伤寒杆菌引起的急性肠道传染病。还有三种与伤寒类似的病,习惯上称为副伤寒,是由副伤寒甲、乙、丙三种副伤寒杆菌引起的。这四种病的传播途径,发病机理,临床表现,本质上相同,只在病情轻重程度上有些差异。一般说伤寒病程长、症状重,副伤寒甲、乙病程短、症状轻,副伤寒丙有时类似食物中毒。有时类似败血症,只有做细菌学及血清肥达氏反应才能鉴别。从临床症状上不易鉴别。二.伤寒病的主要临床表现是什么? 教课书上说的伤寒症状,是未经过治疗的伤寒的自然病程,常有持续发热,相对缓脉,玫瑰疹,白细胞减少,肝脾肿大等症状。自从抗生素应用以来,临床医生常对发热病人,早期使用抗生素,而 A typhoid disease of several types of pathogens? Whether the clinical symptoms of different? Typhoid fever is caused by Salmonella typhi acute intestinal infectious diseases. There are three similar typhoid fever, habitually known as paratyphoid, is caused by a paratyphoid A, B, C three strains of Salmonella typhi. The four kinds of disease transmission, pathogenesis, clinical manifestations, essentially the same, only slightly different severity. Generally speaking, long duration of the disease, symptoms, paratyphoid A, B course of short, mild symptoms, paratyphoid C is sometimes similar to food poisoning. Sometimes similar to sepsis, only bacteriological and serum fat Dahre’s reaction can be identified. Difficult to identify from the clinical symptoms. Second, the main clinical manifestations of typhoid fever is what? Lesson book said typhoid symptoms, is the natural history of untreated typhoid, often persistent fever, relative slow pulse, rose, leukopenia, hepatosplenomegaly symptom. Since antibiotics have been used, clinicians often use antibiotics early in febrile patients, whereas