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临床上为了明确乙型肝炎的诊断,预测乙型肝炎的病情和预后,确定有无传染性,筛选输血员及乙型肝炎疫苗接种对象,常常需要检测乙型肝炎病毒的血清学标志物:表面抗原、表面抗体、e抗原、e抗体、核心抗体等五项,临床上称乙型肝炎“二对半”。目前“二对半”的检测已在全国各地广泛开展,但临床医生对它们的认识尚不全面甚至有错误,现举出以下几种供大家在临床实践中参考。 表面抗原阳性的急性肝炎是乙型肝炎,表现抗原阴性的急性肝炎不是乙型肝炎 临床上经常碰到表面抗原阳性的患者伴有黄疸和谷丙转氨酶升高,医生很自然会考虑到
Clinically, in order to confirm the diagnosis of hepatitis B, to predict the condition and prognosis of hepatitis B, to determine the presence or absence of infectivity, to screen blood transfusion recipients and hepatitis B vaccination subjects, it is often necessary to detect the serological markers of hepatitis B virus: the surface Antigen, surface antibody, e antigen, e antibody, core antibody five, clinically called Hepatitis B “two and a half.” At present, the testing of “two and a half” has been widely carried out in all parts of the country, but clinicians do not fully understand or even make mistakes on them. Here are some examples for your reference in clinical practice. Acute hepatitis with positive surface antigen is Hepatitis B, Acute hepatitis with negative antigen is not Hepatitis B. Patients with positive surface antigen are often clinically encountered with jaundice and elevated alanine aminotransferase. Doctors will naturally consider