منابع مشابه
False Negative Results in Clostridium difficile Testing
BACKGROUND Accurate diagnosis of Clostridium difficile infection (CDI) is paramount for patient management. The wrong diagnosis places patients at risk, delays treatment, and/ or contributes to transmission of infection in the healthcare setting. Although amplification of the toxin B gene by polymerase chain reaction (PCR) is a sensitive method for detecting toxigenic C. difficile, false negati...
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Quantitative and histochemical nitroblue with polycythemia vera and neoplasia astetrazolium reduction (NBT) tests were persociated with fever, as well as in those with formed on leukocytes of 13 patients with known bacterial infection. It is suggested polycythemia vera, seven with chronic that patients with neoplasia or polycygranulocytic leukemia, eight with neothemia vera may show a false pos...
متن کاملFalse-negative HIV antibody test results.
Ideally HIV antibody tests have to be both extremely sensitive and able to recognize all known HIV subtypes. Three patients whose sera failed to react with a synthetic oligopeptide-based HIV antibody test are described in this report. The patients were a Pakistani male infected recently, an Australian male infected for several years, and a Ugandan woman with AIDS. The presence of anti-HIV antib...
متن کاملHIV false positive results and Flu vaccination
Abstract False positive results are the major problem influencing interpretation of Clinical Laboratory test. They are originated mostly in the other diseases, technical errors and the recent vaccination. The problem has been presented since 1991 is positive HIV test after influenza Vaccination (1). The False positive has been reported in Cases using Eliza, one of The most common test to screen...
متن کامل'False-positive' and 'false-negative' test results in clinical urine drug testing.
The terms 'false-positive' and 'false-negative' are widely used in discussions of urine drug test (UDT) results. These terms are inadequate because they are used in different ways by physicians and laboratory professionals and they are too narrow to encompass the larger universe of potentially misleading, inappropriate and unexpected drug test results. This larger universe, while not solely com...
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ژورنال
عنوان ژورنال: BMJ
سال: 1972
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.1.5798.473