منابع مشابه
Screening for amblyopia: a comparison of paediatric letter tests.
AIMS/BACKGROUND The measurement of visual acuity is the most widely accepted indicator of amblyopia and is thought by some to be the only effective screening test. The aim of this study was to investigate the effectiveness of the traditional single optotype Sheridan-Gardiner test (SGT) in the measurement of visual acuity and the detection of amblyopia, compared with the log based linear format ...
متن کاملFalse-positive widal in melioidosis.
Enteric fever is endemic in this part of the world, and Widal test is one of the time-honored laboratory tests that are being used for years to diagnose the disease. On the other hand, melioidosis is a newly emerging disease from this region, which is most often misdiagnosed or underdiagnosed by clinicians. It is well accepted that false-positive Widal reactions following certain non-typhoid Sa...
متن کاملWidal reaction in Kala-azar.
Enteric fever(l) and Kala-azar (vis-ceral leishmaniasis) are endemic, in and around Patna. Kala-azar usually has an indolent course but it can present as an acute disease with fever, anorexia and vomiting(2,3). At times both the diseases are so closely similar in their presentation , that differential diagnosis is not always clear, Widal test, inspite of its limitations and fallacies is still w...
متن کاملStandardisation of the Widal test.
In the past, a number of studies had been carried out to evaluate the significance and interpretation of a single Widal result in the diagnosis of typhoid fever in this country. Hand/or o agglutinin titres of ~1:40 to ~1 :500 had been recommended as significant levels in the absence of paired sera results. 1 , 2 , 3 Though at least two of the authors had acknowledged that these ~ criteria were ...
متن کاملComparison of the diagnostic value of local Widal slide test with imported Widal slide test.
A laboratory study comparing the Widal slide agglutination test using local antigens produced by Mekar Jaya Diagnostica (SAT-MJD) with imported antigens (Murex, Abbott) was carried out on 55 sera of typhoid fever patients with positive blood culture and 56 sera of non-typhoid febrile patients. The SAT-MJD antigens consisted of a mixture of 5 different phage-types of S. typhi dominantly found in...
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ژورنال
عنوان ژورنال: BMJ
سال: 1974
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.2.5910.121