摘要
Abstract
Objective:To discuss the detective methods through the combination of two methods in detection of fecal occult blood , it provides a reliable basis for clinical diagnosis of gastrointestinal bleeding .Methods:o-toluidine method , immune colloidal gold method , respectively, were detected in stool of upper gastrointestinal hemorrhage in 20 cases, analysis of samples immune colloidal gold test nega-tive and positive o-toluidine method .Results:Using chemical method has high sensitivity ,but low specificity;method of specific immuni-ty was good, but there would be false negative .Conclusion:In fecal occult blood in the immunochemical method first screen role in daily work, should be a reliable method , but it could black or tarry stool , and negative sample immune colloidal gold method , as a supplement of immune colloidal gold detection using o -toluidine method , joint detection , prevent omissions , false negative .关键词
隐血试验/免疫胶体金法/邻甲苯胺法/联合检测Key words
Occult blood test/Immune colloidal gold/o-toluidine method/Joint detection分类
医药卫生
