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32 Possible Causes for Positive Widal Test

  • Typhus

    Queensland tick typhus (QTT), caused by Rickettsia australis, is usually a relatively mild illness but can occasionally be severe. We describe three cases of probable QTT with unusual clinical features, namely splenic infarction, fulminant myopericarditis and severe leukocytoclastic vasculitis. QTT may present with[…][]

  • Richter's Inguinal Hernia

    The Widal test was TO 1:360 positive. Blood culture taken in postoperative period was negative.[] The diagnosis of enteric fever was made by history, operative findings multiple perforations and positive Widal test.[]

  • Salmonella Typhi

    The aetiological diagnosis was confirmed by a positive Widal test as well as by isolation of Salmonella typhi from joint aspirate.[] Typhi-dot was positive in 58 (55.2%) and negative in 47 (44.8%) patients. Blood widal test was positive in 27 (25.7%) and negative in 78 (74.3%) patients.[] The Widal test, initially negative, became positive on repeat testing 10 days later.[]

  • Melioidosis

    Widal test. [7] Other bacterial infections causing osteomyelitis can also produce a similar clinical picture.[] Further, in view of our report of this disease occurring in a HIV-positive individual, this infection needs to be considered in immunocompromised patients as well in the future[] […] melioidosis needs to be considered in all potential cases, especially when the patient is not responding to antituberculous therapy. [17] , [18] Melioidosis can also cause a false-positive[]

  • Acute Cerebellar Ataxia

    The diagnosis of enteric fever was confirmed by positive blood culture, strongly positive Widal test and rising antibody titres.[]

  • Rare Form of Salmonellosis

    This paper describes a rare delusional disorder, the Fregoli syndrome, in a 17 year old girl who suffered from typhoid psychosis as seen at the Psychiatric Unit of the Jos University Teaching Hospital, Jos.[]

  • Gallbladder Perforation

    Pre-operative diagnoses of typhoid enteric perforation were made based on a positive Widal test.[] Widal test, performed three days prior to admission, was positive for Salmonella typhi ‘O’ and ‘H’ in 1:320 dilution and for Salmonella paratyphi ‘AH’ in 1:160 dilution.[]

  • Pericholecystic Abscess

    The youngest patient with gallbladder perforation was a male aged 14 years who had an enteric etiology proven by tissue culture and positive Widal test.[]

  • Salmonella Paratyphi A

    .) - negative Hepatitis A virus (HAV) ELISA IgM (DSI IgM ELISA) - negative Hepatitis E virus (HEV) ELISA IgM (DSI IgM ELISA) - positive Widal test - TO 1:40, TH 1:40, TA 1[] Blood cultures are positive for S. typhi (or S. paratyphi ). Widal's test is usually negative.[] Cross reaction between malaria parasites and salmonella antigens may cause false positive Widal agglutination test Widal Test : Principle, Procedure, Result Interpretation[]

  • Salmonella Infection

    Widal agglutination test was positive in less than half the cases, and leukopenia was not seen frequently.[]

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